即使你苦口婆心地批评他，也改变不了他的个性。

You can criticise him until you're blue in the face, but you'll never change his personality.

youdao

我能做的只是苦口婆心地教育孩子们从我的错误中吸取教训。

Here is where I beg, in cloying tones, that we teach the children to learn from these mistakes.

youdao

如果有人苦口婆心地劝你戒烟，不要理他……他们大概是想骗你活得长久些。

If people keep telling you to quit smoking cigarette, don't listen… They're probably trying to trick you into living.

youdao