以下是100个英语小谜语，适合儿童或英语学习者进行娱乐和学习：
- What has keys but can't open locks? (A piano)
- What is black when it's clean and white when it's dirty? (A blackboard)
- What has a head, a tail, but no body? (A coin)
- What starts with a T, ends with a T, and is full of T? (A teapot)
- What is always coming but never arrives? (Tomorrow)
- What has a face but no mouth, and tells a story without speaking? (A clock)
- What goes up but never comes down? (Your age)
- What is dark but made by light? (A shadow)
- What starts with an E, ends with an E, but only contains one letter? (An envelope)
- What has hands but can't clap? (A clock)
- What is always behind you but you can't throw it away? (Your shadow)
- What is full of holes but still holds water? (A sponge)
- What has keys but opens no locks, has space but no room? (A keyboard)
- What can you catch but not throw? (A cold)
- What starts with a P, ends with an E, and has thousands of letters? (The post office)
- What has a face and two hands but no feet? (A clock)
- What is always ahead of you but you can never catch up with? (Tomorrow)
- What has a neck but no head? (A bottle)
- What is black when it is clean and white when it is dirty? (A newspaper) - alternate answer
- What has cities but no houses, rivers but no water, and forests but no trees? (A map)
- What can you break, but not mend? (A promise)
- What is always seen but never heard? (An eye)
- What is always coming but never arrives, and when it arrives it's gone? (The present)
- What starts with an E, ends with an E, and only contains one letter when pronounced? (An echo)
- What is always on but can't be turned off? (Your heart)
- What has legs but can't walk? (A bed/table/chair)
- What is round on both ends and high in the middle? (An hourglass)
- What is heavy in the front but light in the back? (A load of hay)
- What has a head and a tail but no body and no legs? (A coin) - alternate answer
- What has a face and never smiles? (A clock) - alternate answer
- What is the beginning of eternity, the end of time, and the beginning of every end? (The letter "E")
- What is black when it's clean and white when it's dirty, but can't be eaten? (A chalkboard)
- What has a face, a mouth, and no body? (A riverbank - it has a "face" where the water meets the land, and a "mouth" where it empties into another body of water)
- What has hands but can't scratch its own back? (A tree)
- What can you hold without touching and see without looking? (Your breath)
- What has keys but opens no doors? (A piano/keyboard) - alternate answer
- What is always found in the middle of America but never in the beginning or the end? (The letter "R")
- What has branches but no leaves, keys but no locks, and writes without ink? (A tree diagram/mind map)
- What is the longest word in English? (Smiles, because there's a mile between the first and last letter)
- What has keys that open no locks, space but no room, and you enter without going through doors? (A computer)
- What is always on the run but never arrives anywhere? (Tomorrow - alternate answer)
- What is dark inside but white outside and full of light when you open it? (An egg)
- What has a face, a mouth, and eats without hands? (A river - it "eats" the land as it erodes)
- What has hands but never claps, and a face but never smiles? (A clock - alternate answer)
- What starts with a P, ends with an E, and has millions of children? (A pear tree)
- What has a head, a tail, and is full of lies? (A newspaper)
- What is black when it's clean and white when it's used? (Chalk)
- What is always moving but stays in one place? (A clock's hands)
- What has branches but no leaves, and writes without a pen? (A tree diagram - alternate answer)
- What has a face and a mouth but never eats or speaks? (A riverbank - alternate answer)
以下是另外50个谜语：
What starts with an "F" and ends with an "E" but only contains one letter? (An envelope - alternate spelling of "F" as in "four" and "E" as in "envelope", pun intended)
What is never used until it's broken? (An egg)
What has teeth but can't bite? (A comb/rake/zipper)
What is the only thing you can break when you say its name? (Silence)
What is always ahead of you but can't be seen until it's behind you? (Your shadow when you're walking towards a light source)
What has a head but never weeps, a tail but never wags, and can fly without wings? (A kite)
What is the most difficult piano to play? (A piano in the ocean, because it would be underwater!)
What has a face but no mouth, and can tell you the time without speaking? (A clock - alternate answer)
What is always going up but never comes down, even when it's stopped? (The stairs in a building)
What is the only thing you can buy once and sell, but never use? (A grave/tombstone)
What has keys but can't unlock doors, and is full of space but has no room? (A piano keyboard - alternate answer)
What is black when it's clean and white when it's dirty, but you can't eat it? (A chalkboard - alternate answer)
What has a face, a mouth, and eats without hands, but never gets full? (Fire)
What is always coming but never gets here? (The future/tomorrow - alternate answer)
What has a face but never smiles, and a mouth but never talks? (A clock face - alternate answer)
What is full of holes but still holds water, and the more you take out, the more it holds? (A sponge - alternate answer)
What starts with a T, ends with a T, and is full of T but can't talk? (A teapot - alternate answer)
What is always coming but never arrives, and when it's gone you wish it would stay? (Youth/childhood)
What has hands but can't scratch an itch? (A clock/tree - alternate answer)
What has a head, a tail, and is full of air? (A balloon)
What is black when it's clean and white when it's dirty, and you write on it with chalk? (A blackboard - alternate answer)
What has a face and never smiles, and sings without a mouth and never gets hoarse? (A radio)
What is always ahead of you but you can't catch it, no matter how fast you run? (Your shadow when the sun is behind you)
What is the only thing you can buy once and sell, but can't use until after you sell it? (A grave plot/burial site)
What has a face, a mouth, and eats without hands, but can never be satisfied? (Fire - alternate answer)
What is the only month that has 28 days? (Every month has at least 28 days, but February usually has the fewest)
What has keys but opens no locks, and writes without ink but reads everywhere? (The internet/a computer keyboard)
What has a face but no eyes, and can never see? (A clock face - alternate answer)
What is black when it's clean and white when it's dirty, and you can draw on it with chalk but never erase it completely? (A sidewalk chalk drawing that fades over time)
What can you catch but not throw, and keep but not borrow? (A sneeze)
What has a face, a mouth, and never eats, but talks without a tongue? (An echo/a recording)
What is the only thing you can buy once and sell, but never use twice? (A grave - alternate answer)
What starts with a "C," ends with an "T," and has "O" in it? (A cat in a coat or a cart)
What has a head, a tail, and a lot of hair, but is not an animal? (A comet)
What is black when it's clean and white when it's full of it? (A piece of chalk - when it's used up, the chalk dust is white)
What has hands but can't hit, and a face but can't weep? (A clock - alternate answer)
What is always in front of you but you can't catch it? (Your future)
What has keys but opens no doors, and space but no room for people? (A computer keyboard)
What is the only thing you can buy once, sell, and then buy again? (A used car)
What has a face, a mouth, and never eats, but can tell a story? (A book - or alternatively, a storyteller using sign language)
What is dark inside but light outside, and you can see through it but not go through it? (A window)
What has hands but can't fight, and a face but can't laugh? (A clock - alternate answer)
What starts with a "P," ends with an "E," and has thousands of legs? (An ant colony/people) - this one is a bit of a stretch!
What is black when it's clean and gets dirtier the more you clean it? (A blackboard eraser)
What has a face but no brain, and can smile without a mouth? (A sunflower - the "face" is the center of the flower, and it "smiles" when it's facing the sun)
What is always on the move but stays in one spot? (The hands of a clock)
What has a face and a mouth but can't eat, and eyes but can't see? (A mask or a painting of a face)
What starts with an "E," ends with an "E," but only has one letter in it when you say it out loud? (An echo - alternate answer)
What has hands but can't hold things, and feet but can't walk? (A bed/table/chair - alternate answer)
What is black when it's clean and gets dirtier as you use it more? (A piece of coal or charcoal as it burns)
请注意，有些谜语的答案可能因文化和语境的不同而有所变化，而且有些谜语可能有多个合理的答案。这些谜语旨在提供乐趣和启发思考，而不是严格的逻辑或事实测试。
