1 N-COUNT 门闩;插销 A latch is a fastening on a door or gate. It consists of a metal bar which you lift in order to open the door. 门闩;插销
SYN fastening, catch, bar, lock
2 N-COUNT 碰锁;弹簧锁 A latch is a lock on a door which locks automatically when you shut the door, so that you need a key in order to open it from the outside. 碰锁;弹簧锁
If a door is
on the latch or
off the latch, the latch has been set so that it will not lock when you shut the door.
(门)虚掩着,没上锁 -
Let yourself in; the door's on the latch.
你自己进来吧,门没上锁。
-
They leave their back door off the latch when they're at home so that friends can pop in.
他们在家时就让后门虚掩着,好让朋友们可以随时进来。
3 VERB 用闩闩上;用碰锁锁上 If you latch a door or gate, you fasten it by means of a latch. 用闩闩上;用碰锁锁上
SYN fasten, bar, secure, lock
Phrasal verbs: - latch onto
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