一言既出，驷马难追
Explanation: the harm done by a careless word can not easily undo.
Example: for the rest of his life he regretted what he had said, but a word spoken is past recalling and he knew he could never repair the damage of that moment of harshness.
下面的谚语不难理解了吧？ NOW, TRY YOUR HAND ON THE FOLLOWING:
1、Love is blind.
beauty is a matter of individual taste and judgement. This is often used of a person whose judgement is affected by love or infatuation.
2、Better to die in glory than live in dishonor.
if one has the choice between living in shame and degradation and dying in glory, it is better to die.
3、Birds of a feather flock together.
people who are alike often become friend or are together: if you are often with certain people, you may be their friends or like them.
4、Blood, toil, tears and sweat.
said of a person bending oneself to a task and exerting all efforts in the performance of one duty.
5、Calamity is man true touchstone.
the most telling test of a man ability and worth comes when he has to face great difficulties.
6、Clean conscience laughs at false accusation.
a person who knows he has done no wrong is morally stronger than those who falsely accuse him are.
7、Cry over spilt milk.
to cry or complain about something that has already happened.
