可以是褒义。。。
"Jack is such a ridiculously fast runner." "Yeah, he's a real freak of nature."
或贬义的。。。
That chick is such a freak of nature. It's like she fell down the ugly tree and hit every branch on the way down.
大自然的怪物 Freak of nature
Freak of nature = 怪诞的脾性
