let的用法：let可作名詞和動詞，作名詞時，意為出租、租借等；作動詞時，意為允許、許可、同意等。固定搭配：let sb do sth 允許某人做某事，be let to do sth 某人被允許做某事。
let的中文釋義及用法介紹
一、let作為動詞，意為允許;讓;準(zhǔn)許;許可;同意;允許(去某處)。
1、當(dāng)意為允許的含義時，例句有：
He'd eat chocolate all day long if I let him.
我要是不攔著，他會整天不停地吃巧克力。
Let them splash around in the pool for a while.
讓他們在水池里撲騰一會兒吧。
2、當(dāng)意為準(zhǔn)許；許可；同意等含義時，例句有：
She wanted to lend me some money but I wouldn't let her.
她想借給我一些錢，可我不同意。
They won't let him leave the country.
他們不許他離開這個國家。
3、當(dāng)意為允許（去某處）時，后接副詞或者介詞，例句有：
I'll give you a key so that you can let yourself in.
我把鑰匙給你，你可以自己開門進(jìn)去。
The cat wants to be let out.
那只貓想要出去。
二、let還可以作為名詞，意為擦網(wǎng)球;出租;租借。例句有：
I asked him if he had any rooms to let.
我問他是否有房屋出租。
Business languished, and she hung out a Room to Let card.
生意冷清，她掛出了“出租房屋”的招牌。
He used to let out cars by the day.
他慣常按日出租汽車。
