白费唇舌 waste one's breath ; Whistle Down the Wind
你在白费唇舌 You are just beating a dead horse
费舌劳唇 Talk Oneself Out Of Breath
费唇舌
A waste of words
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我不想在这个问题上多费唇舌了。
I'm not going to waste any more words on the subject.
youdao
他们听不进去，不必和他们白费唇舌了。
They won't listen, so don't waste your breath telling them.
和谈谈话没有一点用处，你只是在白费唇舌。
It's no use talking to him, you'll only waste your breath.
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