save one's breath

[often in imperative]not bother to say something because it is pointless

別廢話

save the day (或situation)

find or provide a solution to a difficulty or disaster

救場，解決問題，排除災難

save (someone's) face

save someone's life

prevent someone dying by taking specific action

搶救某人性命

save someone's skin (或 neck 或 bacon)

rescue someone from danger or difficulty

救某人脫離危險（或困難）

save the tide

(Nautical, archaic)get in and out of port while the tide lasts

(航海 古)漲潮時進出港

save someone the trouble (或 bother)

avoid involving someone in useless or pointless effort

省卻某人麻煩（或費心）

write it down and &B{save yourself the trouble of} remembering.

把它寫下來，免得你費心記它。

save (one's) breath

To refrain from a futile appeal or effort

不必白費勁：省去無用的請求或努力

Save your breath; you can't dissuade them.

別白費勁兒了；你勸阻不了他們的