導(dǎo)讀：詞組能有效的幫助大家提高完型和句子的理解與寫作質(zhì)量，為保證大家能夠靈活運(yùn)用考研重點(diǎn)詞組，社科賽斯李梅老師特配以相應(yīng)的例句，幫助大家更快地獲得更高的分?jǐn)?shù)。
521.let alone更不用說；不打擾
Let him alone. He needs a rest.
別去打攪他，他需要休息一下。
She can’t ride a bicycle, let alone drive a car.
她連自行車都不會騎，更別說開小汽車了。
522.let down 放下，降低；使失望
Sadly, the film is let down by an excessively simple plot.
遺憾的是，過于簡單的情節(jié)使得這部電影差強(qiáng)人意。
523.let go (of) 放，松手
In therapy, she began to let go of her obsession with Mike.
在心理治療中，她開始逐漸放下對麥克的癡迷。
524.let off 寬恕，放過；開(槍)，放(炮、煙火等)
to let off a few fireworks放幾個煙火
He let off steam by yelling at a clerk.
他對一個職員大喊大叫，借以發(fā)泄怒氣。
525.let out 放走，釋放；泄露，放出，發(fā)出
She heard him let out a pitiful groan.
她聽到他發(fā)出一聲令人悲憫的呻吟聲。
When she saw him, she let out a cry of horror.
她看見他時嚇得大叫一聲。
526.be liable for 對...有責(zé)任
You will be liable for any damage caused.
你必須對造成的任何損失負(fù)賠償責(zé)任。
527.liable to 易患...的，易受…，有…傾向的
The car is liable to overheat on long trips.
這輛車跑長途容易過熱。
528.lie in (問題、事情等)在于
All their hopes lie in him.
他們把所有的希望都寄托在他身上。
529.little by little 逐漸地
I would have to learn, little by little, to exist alone.
我的慢慢學(xué)會獨(dú)自生活。
530.live on （動物）以...為食；（人）靠...生活
They are still having to live on every low income.
他們現(xiàn)在還得靠微薄的收入過日子。
