As far as I know,... (就我所知……)
If my memory serves me right,... (如果我沒記錯(cuò)的話，……)
以牙還牙，針鋒相對(duì)。
Tit for tat.
John kicked me, so I gave him tit for tat.(約翰踢我，所以我以牙還牙。)
這是我為什么在這兒的原因。
That's what I'm here for.
What are you studying at Harvard? (你在哈佛大學(xué)學(xué)什么?)
Economics. That's what I'm here for. (學(xué)經(jīng)濟(jì)，這就是我為什么在這兒學(xué)習(xí)的原因。)
2+3等于5。
Two and three is five.
Two plus three is five.
Two and three makes five.
Two and three equals five.
我們有天壤之別。
We're as different as night and day.
We're completely different. (我們倆完全不同。)
We have nothing in common. (我們沒有任何共同點(diǎn)。)
公共英語等級(jí)考試：英語口語8000句（四）

東施效顰。(機(jī)械模仿。)
Monkey see, monkey do.
She just bought a new car just like yours. (她也買了一輛跟你一樣的車。)
Well, monkey see, monkey do. (是嘛，真是東施效顰。)

以先后順序?yàn)闇?zhǔn)。
First come, first served. *“按到達(dá)的先后順序”、“按報(bào)名順序”，直譯是“第一個(gè)來的，第一個(gè)得到供應(yīng)”。
Do you take reservations? (你預(yù)訂了嗎?)
No, first come, first served. (沒有，先來的先得。)
On a first-come, first-served basis.

過時(shí)了。
It's out of date.
Look at my camera. (你看我的照相機(jī)。)
But it's out of date already. (可它都過時(shí)了。)
It's old-fashioned.
It's outdated.
It's behind the times.

電視有長處，也有短處。
TV has its merits and demerits.
TV has its good and bad points.
There are good and bad points about TV.

我利用了他的弱點(diǎn)。
I took advantage of his weakness. *take advantage of...“利用……”。

我長了不少見識(shí)。
I've learned something.
The TV show was interesting. (那個(gè)電視節(jié)目很有意思。)
Yeah, and I've learned something. (是呀，我長了不少見識(shí)。)
I've learned something new. (我學(xué)到了一些新東西。)

那會(huì)引起火災(zāi)呀!
It's a fire hazard. *hazard表示“人力無法躲避的危險(xiǎn)”。
Look at John's toy! (快看約翰的玩具。)
It's a fire hazard. (那會(huì)引起火災(zāi)呀!)
It could catch on fire easily. (這很容易著火。)
It could cause a fire.

什么事都有可能發(fā)生。
Anything could happen.
There's no knowing what may happen.
You never know. (任何事情都是很難預(yù)料的。)
Anything's possible.
It could happen to you. (對(duì)你來說什么都有可能發(fā)生。)

將來可以用來作參考。
for future reference
You should keep the book for future reference.