词典释义：
a mechanism for keeping a door, lid, etc. fastened, typically operated only by a key of a particular form
锁
-
the key turned firmly in the lock .钥匙在锁孔里有力地一转。
a similar device used to prevent the operation or movement of a vehicle or other machine
（防止车辆或机械装置被任意开动或启动的）锁
-
a steering lock 汽车方向盘锁
-
a bicycle lock .自行车锁。
(in wrestling and martial arts)a hold that prevents an opponent from moving a limb
（摔跤及武术用语）抱，夹。
[in sing.]
〈古〉 （交通）堵塞
-
I have seen all Albermarle Street closed by a lock of carriages .我曾看到整条阿尔波马尔大街被马车挤得水泄不通。
a short confined section of a canal or other waterway where the water level can be changed by the use of gates and sluices, used for raising and lowering boats between two gates
（运河或其他水道的）船闸，水闸。
an airlock
气塞。
[mass noun]the turning of the front wheels of a vehicle to change its direction of motion
前轮转向。
(亦作
完全转向。
(亦作
【英 橄】 第二排前锋。
(
〈北 美，非正式〉 肯定成功的人（或事）；确定无疑的事。
〈古〉 枪栓。
[with obj.]fasten or secure (something) with a lock
锁
-
she closed and locked her desk 她关上书桌抽屉，并将其锁住
-
[as adj.
locked ]behind locked doors .在上了锁的门后面。
[no obj.](of a door, window, box, etc.)become or be able to be secured through activation of a lock
（门，窗，箱）锁上
-
the door will automatically lock behind you .门会在你走出后自动锁上。
[with obj. and adverbial]enclose or shut in by locking or fastening a door, lid, etc.
锁起来，关起来
-
the prisoners are locked in overnight 囚犯被关了一夜
-
Phil locked away the takings every night .菲尔每天晚上都把营业收入锁起来。
make or become rigidly fixed or immovable
锁住，扣住
-
[with obj.]
he locked his hands behind her neck 他的双手勾住她的后颈
-
[no obj.]
their gaze locked for several long moments .他们的目光凝视了好久。
[no obj. with adverbial of direction]go through a lock on a canal
过船闸
-
we locked through at Moore Haven .我们在穆尔港过了船闸。
a piece of a person's hair that coils or hangs together
一绺头发
-
she pushed back a lock of hair .她把一绺头发捋到后面去。
〈主诗／文〉 头发
-
flowing locks and a long white beard .发随风舞，白髯垂胸。
a tuft of wool or cotton
毛撮。
-
have a lock on N .Amer .informal have an unbreakable hold on or total control over 〈北美，非正式〉 牢牢掌握（或控制） -
lock horns engage in conflict 发生冲突；起争端 -
lock, stock, and barrel including everything; completely 完全，全部the place is owned lock, stock, and barrel by an oil company . 这地方统统都是一家石油公司的 -
［ORIGIN referring to the complete mechanism of a firearm．］
under lock and key securely locked up 妥善锁藏着
-
lock someone down N. Amer. confine a prisoner to their cell 〈北美〉囚禁（犯人） -
lock someone/thing in （或into ） involve someone or something in （a difficult or competitive situation） 将某人（或某事）卷入（困境，竞争）they were locked in a legal battle . 他们都卷入了一场法律官司 -
oblige a person or company to abide by the terms of a contract for a specific period 要求…在特定时间内遵守合同条款
you're locked in to the society's standard variable rate throughout that time . 你在那段时间里得遵守协会的标准可变利率条款 -
lock on to locate （a target） by radar or similar means and then track（用雷达或类似手段）锁定（目标） -
lock someone out 1 keep someone out of a room or building by locking the door 给…吃闭门羹，闭门不让进 -
2 （of an employer） subject employees to a lockout （雇主）不让员工进厂 -
lock someone out of exclude someone from 把某人排除于…之外those now locked out of the job market. 那些现在被排除在职场之外的人 -
lock someone up （或away ） imprison someone 囚禁（某人）lock something up （亦作lock up ） shut and secure a building by fastening its doors with locks 把（建筑）锁好they locked up the building and walked off 他们锁好大楼后走了you could lock up for me when you leave . 你离开时帮我锁好门就行了 -
（ invest money in something so that it is not easily accessible 把（钱）搁死在某事上lock something away） vast sums of money locked up in pension funds. 搁死在养老基金里的大量现金
-
lock sth 锁（上）某物
真题例句：
-
lock sth in/into sth 把...锁在...上/里
真题例句：
-
lock (sth) up 锁住
真题例句：
-
lock down 封锁
真题例句：
-
be locked in/into sth 陷入/卷入某事
真题例句：
"Old English
