1.
Those who protested against the president's decision were actually barking at the moon, since they were in a powerless minority.
由于他们属于软弱无力的少数，他们反对总统的决定实际上是枉费唇舌。
2.
waste one's breath(on sb/sth)
（对某人[某事物]）白费唇舌
3.
Our petitions have been slighted.
我们的请愿白费唇舌。
4.
There is no use beating a dead horse.
鞭打一匹死马是没有用的。喻：枉费精力/舌。
5.
I'm not going to waste any more words on the subject.
在这个问题上我不想多费唇舌了.
6.
You can save your breath: you'll never persuade her.
别白费唇舌了, 你决说服不了她.
7.
"Don't waste your Breath talking to him, he's beyond help."
"别对他白费唇舌,他已无可救药了。"
8.
Don't ask me to try to convince him.I'm not about to run my head against a brick wall.
不要叫我去说服他，我不打算白费唇舌。
9.
They won't listen, so don't waste your breath telling them.
他们听不进去, 不必和他们白费唇舌了.
10.
It's no use talking to him.You'll only waste your breath.
和他谈没有用，你只会白费唇舌。
11.
Warren was too weary to waste words with the youngster.
华伦很疲乏，不想跟这小伙子多费唇舌。
12.
some must have done all they could to dissuade him.
有些人肯定是费尽唇舌劝他千万别这么做。
13.
We had a little difficulty putting our ideas over to them.
我们费了一番唇舌才使他们接受了我们的意见。
14.
Steger saw that it was needless to introduce any additional arguments
斯达格知道已经不需要再费什么唇舌了。
15.
He won't take the exam, so don't waste your breath trying to persuade him.
他不会应试的，所以不要白费唇舌地试图劝他了。
16.
It‘ s no use talking to him, you‘ ll only waste your breath.
和谈谈话没有一点用处，你只是在白费唇舌。
17.
A tonguelike structure in the labium of an insect.
中唇舌昆虫唇内的像舌状结构
18.
When she knew how poor you were, she withdrew at once, and without any persuasion of mine.
她一听说你多么穷，马上打了退堂鼓，根本不必我多费唇舌。