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单词 let
释义

let
1 let /ˈlɛt/ verb
lets; let; letting
1 let
/ˈlɛt/
verb
lets; let; letting
Learner's definition of LET
1 
[+ object] : to allow or permit (someone or something) to do something允许；许可；让
Usage用法 Let is followed by a verb that has the form of the infinitive without to.*let接不带to的动词不定式。
Let is never used as be let; use be allowed or be permitted instead.*let没有被动语态，可用be allowed或be permitted替代。
2 
[+ object]
a  — used in speech when you are making a polite offer to help someone（用于口语，表示礼貌地提出帮助）让，由
b  — used to introduce a polite statement or request（用于礼貌地引出要讲的话或提出要求）允许，让
c  formal — used to introduce a command（用于引出命令）要，让
— sometimes used figuratively in a way that is not formal有时用作比喻，非正式用法
d  — used to express a warning（用于表示警告）让，任由，听任
3 
a 
◊ Let's and (more formally) let us are used to introduce statements that express a wish, request, suggestion, or command.*let's和（更加正式的）let us用来陈述愿望、请求、建议或命令。
b 
◊ The phrase let's go is used in speech to tell someone to go or work faster.动作快点
c 
◊ The phrase let us pray is used to introduce a prayer.让我们祈祷（用于引出祈祷的内容）
d 
◊ The phrases let's face it and let's be honest are used to say that something is true and cannot be denied.（用于表示不容否认的事实）我们得承认
4 
a  [+ object] : to allow someone to use (something) in return for payment : rent出租
b  [no object] chiefly British : to be rented or leased for a specified amount of money定额出租
5 
always followed by an adverb or preposition, [+ object] : to allow (someone or something) to go, pass by, etc.让…走过；允许…经过

let alone

1 
— used to refer to something that is even less likely or possible than the thing previously mentioned更别提
2 
let (someone or something) alone : to not bother or touch (someone or something)别打扰，别碰（某人或某事物）

let bygones be bygones

— see bygones

let down

[phrasal verb]
1 
let (someone) down
a  : to fail to give help or support to (someone who needs or expects it) : disappoint使失望；辜负
— sometimes used figuratively有时用作比喻
b  : to make (someone) unhappy or displeased by not being as good as expected使沮丧；使不悦
— see also letdown
2 
◊ To let someone down easy/gently is to give someone unpleasant news in a gentle or kind way.委婉地告诉某人坏消息
3 
let (something) down or let down (something)
a  : to cause or allow (something) to move down gradually慢慢放下（某物）
b  : to make (a skirt, a pair of pants, etc.) longer加长（裙子、裤子等）
— see also let your hair down at hair

let fly

or let fly with
— see 1fly

let go

1 
or let (something or someone) go or let go of (something or someone) or let go (something or someone) : to stop holding or gripping something or someone放开；松手；释放
— often used figuratively常用作比喻
2 
or let (yourself) go : to behave in a very free and open way（行为表现）自在，洒脱，不拘束
3 
let (someone) go
a  : to allow (someone who is being held as a slave, prisoner, etc.) to be free释放（奴隶、囚犯等）；使自由
b  : to officially make (someone) leave a job解雇
4 
let (yourself) go : to fail to take care of (yourself)不注意照顾（自己）

let it all hang out

informal
: to show your true feelings : to behave in a very free and open way毫不隐瞒；做自己想做的事

let loose

— see 1loose

let me see

or let's see or let me think
— used in speech by someone who is trying to remember something让我想想

let off

[phrasal verb]
1 
let (someone) off or let off (someone) : to allow (someone) to get off a bus, an airplane, etc.让…下（车、飞机等）
2 
let (someone) off : to allow (someone who has been caught doing something wrong or illegal) to go without being punished不惩罚；放过；宽恕
— often used in the phrase let (someone) off the hook常用于短语let (someone) off the hook
3 
let off (something) : to cause (something) to explode or to be released in a forceful way引爆；释放
— see also let off (some) steam at 1steam

let on

[phrasal verb]
1 
let (someone) on or let on (someone) : to allow (someone) to get on a bus, an airplane, etc.让…上（车、飞机等）
2 
let on or let on (something) informal : to tell, admit, or show that you know something说出；表明；透露
3 
US, informal : to pretend or seem假装；看起来

let out

[phrasal verb]
1 
let (something or someone) out or let out (something or someone) : to release (something or someone)发出；释放
— see also letout
2 
let (something) out or let out (something) : to make (a shirt, a pair of pants, etc.) larger加大，放宽（衬衫、裤子等）
— opposite take in at 1take
3 
US, of a school : to end a semester, year, or session（学期或学年）结束

let rip

— see 1rip

let sleeping dogs lie

— see 1dog

let (someone) have it

informal
: to attack, punish, or criticize (someone) in a violent or angry way攻击；惩罚；责骂

let (someone) in on (something)

: to allow (someone) to know (a secret)告知，泄露（秘密）

let (someone) know

— see 1know

let (someone or something) be

: to not bother or touch (someone or something)别打扰，别碰（某人或某事物）

let (something) be known

— see 1know

let (something) slip

or let slip (something)
— see 1slip

let the cat out of the bag

— see cat

let the grass grow under your feet

— see 1grass

let up

[phrasal verb]
1 
: to stop or become slower暂停；停止；变慢
— see also letup
2 
let up on (someone) : to treat (someone) in a less harsh or demanding way缓和；放松；降低要求
3 
let up on (something) : to apply less pressure to (something)缓解压力

let (yourself) in for

: to cause (yourself) to have or experience (something bad or unpleasant)使遭受；使陷入（困境）
2 let /ˈlɛt/ noun
plural lets
2 let
/ˈlɛt/
noun
plural lets
Learner's definition of LET
[count] tennis
: a serve that is not accepted or allowed officially and must be done again触网重发；擦网球

without let or hindrance

chiefly British, law
: without being interfered with不受干预地；自由地
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更新时间：2026/10/20 3:35:49