拾人牙慧的英文：
[Literal Meaning]
pick up/people/what others say
to pick up what others say

[解释]
比喻拿别人的话或者观点当作自己的话或观点。

[Explanation]
to pick up others' expressions or viewpoints and pass them off as one's own

[例子]
这个理论我十年以前就提出了，你现在拾人牙慧一点意思都没有。

[Example]
I proposed this theory ten years ago, and now it will be meaningless for you to pick it up and pass it off as your own.