1
let + noun/pronoun + out
此结构可分离，名词或代词可放在let和out之间。
She let the dog out.
她把狗放了出去。
放出；放走
先理解核心含义，再看它在真实句子里的用法。
放出；放走
to allow someone or something to leave or escape
She let the dog out.
她把狗放了出去。
释放
To release.
调整控制使加快运转
To allow to operate at higher speed by adjusting controls.
出租
To rent out.
通过调整接缝放大(衣服等)
To enlarge by adjusting one or more seams.
let out
Base
原形
lets out
3rd person
第三人称单数
letting out
-ing
现在分词
let out
Past
过去式
let out
Past participle
过去分词
She lets out the cat every morning.
她每天早上把猫放出去。
He is letting out the room to a student.
他正在把房间租给一个学生。
She let out a long sigh.
她长叹了一声。
let out 为不规则动词，过去式和过去分词仍为 let out；现在分词为 letting out。
Please let out the dog in the backyard before you leave.
你走之前请把狗放到后院去。
The teacher let the students out early because of the snow.
因为下雪，老师提前让学生们离开了。
They are letting out the children for recess right now.
他们现在正放孩子们出去课间休息。
此结构可分离，名词或代词可放在let和out之间。
She let the dog out.
她把狗放了出去。
此结构通常不分离，宾语后置。
He accidentally let out the secret.
他无意中泄露了秘密。
常用于衣物修改。
The tailor let out the waist of the trousers.
裁缝把裤子的腰围放大了。
英式英语常用，美式英语多用rent out。
They let out their house for the summer.
他们把房子出租一整个夏天。
Not this
He let out it.
Use this
He let it out.
当宾语是代词时，必须放在动词和副词之间，即 'let + 代词 + out'，而不能放在整个短语后面。
Not this
She let out the bird from the cage.
Use this
She let the bird out of the cage.
表示'从某处放出'时，介词应使用 'out of' 而不是 'from'，因为 'let out' 本身就包含'出来'的意思，后面直接跟地点时要用 'out of'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
叹一口气
She let out a sigh of relief.
她如释重负地叹了口气。
泄露秘密
He accidentally let out the secret about the surprise party.
他无意中泄露了关于惊喜派对的秘密。
放大连衣裙
The seamstress let out the dress at the waist.
女裁缝放大了连衣裙的腰部。
出租房间
They decided to let out a room to cover the rent.
他们决定出租一个房间来支付租金。
放松缰绳
She let out the reins and the horse sped up.
她放松缰绳，马加速跑了起来。
泄密；无意中透露秘密
She let the cat out of the bag about the surprise party.
她无意中说漏了嘴，把惊喜派对的事泄露出去了。
释放无法控制的局面；开启不可挽回的后果
The new technology has let the genie out of the bottle, and we must now deal with its effects.
这项新技术引发了无法控制的局面，我们现在必须应对其影响。
尽情宣泄情感
During the therapy session, she finally let it all out and started crying.
在治疗过程中，她终于尽情宣泄，大哭起来。
谁把狗放出来了？
A famous line from Baha Men's 2000 song 'Who Let the Dogs Out?', often chanted at sports events. The phrasal verb 'let out' here means 'release'.
这是巴哈人乐队2000年歌曲《Who Let the Dogs Out?》中的著名歌词，常在体育赛事中被喊出。这里的动词短语'let out'意为‘放出、释放’。
Use let out naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 let（让）+ out（出去）：让东西出去——松绳放出牲畜、松口泄露秘密、放松衣缝放大衣服。
语域：mixed 常见场景：日常对话、房屋租赁、服装修改、机械控制 let out 是常见短语动词，整体属于中性偏口语，具体语气随义项变化。“放走/释放”“透露”多用于日常对话；“出租”在口语和书面中都较常见；“放大衣物”多见于裁缝场景。正式写作中常改用 reveal、release、enlarge 等更正式的词。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.