no man is content.
人心不足蛇吞象。
no man is wise at all times.
聪明一世，糊涂一时。
none are so blind as those who won”t see.
视而不见。
none are so deaf as those who won”t hear.
充耳不闻。
no news is good news.
没有消息就是好消息。
no one can call back yesterday.
昨日不会重现。
no pains, no gains.
没有付出就没有收获。
no pleasure without pain.
没有苦就没有乐。
no rose without a thorn.
没有不带刺的玫瑰。
no sweet without sweat.
先苦后甜。
