Definition
This idiom suggests that it is often best to say as little as possible about a delicate or problematic issue in order to avoid prolonging it or making it worse.
表示对于不愉快的事情，谈论越少，越容易被忘记。
About that argument, I think it's best if we keep quiet. 'Least said soonest mended,' right?
关于那场争吵，我觉得我们最好保持沉默。『少说为妙』，对吧？
The mistake has already been made; it's best not to bring it up again. 'Least said, soonest mended'.
错误已经发生了；最好不要再提起它。『少说为妙』。
I don't want to talk about this anymore; let's just apply 'least said soonest mended.'
我不想再谈这件事了；我们就应用『少说为妙』吧。