哎呀，别这么孩子气！振作起来！

Oh, don't be so childish! Cheer up!

youdao

规矩点儿，汤姆，别这么孩子气。

A: Behave yourself, Tom. Don't be so childish.

youdao

别这么孩子气，这将只会使情况更加复杂。

Don't be so childish, it'll only make the situation more complicated.

youdao

别这么孩子气，如果你认为你能够不劳而获。

Don't be so childish if you think you can get something for nothing.

youdao

别这么孩子气，如果你认为你能够不劳而获。

Don't be so childish if you think you can get something for nothing.

youdao