It is no use crying over spilt milk.
覆水难收。

活学活用：cry
have a good cry           痛痛快快哭一场

on the cry          传闻, 据说

the cry of wolf          假警报

all the cry          大流行, 最新式样

If you run after two hares, you will catch neither.
脚踏两条船，必定落空。

hare

cook a hare before catching it乐观过早

run with the hare and hunt with the hounds两面讨好, 耍两面手法

First catch your hare.到手才算数。

Like a rat in a hole.
瓮中之鳖。
hole
back hole禁闭室

every hole and corner每个角落, 到处

make a hole in the water投水自尽

Custom makes all things easy.
有个好习惯，事事皆不难。

活学活用：custom

Once is no custom.[谚]一次不能成例。

give one's custom to经常光顾, 成为...的常客

Custom is a second nature.[谚]习惯是第二天性。

Like for like.

一报还一报。

活学活用：like

I like lobster but it does not like me.

我喜欢吃龙虾, 但它不适宜于我的健康。

l should like to stay here.

我想留在这里。

If you make yourself an ass, don't complain if people ride you.

人善被人欺，马善被人骑。

活学活用：ass

ass in grain

十足的大傻瓜

play the ass

作糊涂事; 出洋相

an ass in a lion's skin

气势汹汹的胆小鬼; 色厉内荏的人

Life is but a span.

人生苦短。

活学活用：span
span of attention注意广度
psychology of life span development毕生发展心理学
A span of 2000 years.2000年的时间