latch

门闩、插销、扣锁

The wooden gate has a rusty latch that sticks every time.

那扇木门的插销生锈了，每次都卡住。

弹簧锁、自动锁

The front door is on a latch, so take your key with you.

大门是自动锁，记得带钥匙出门。

闩上、扣上、锁上

Please latch the gate behind you so the dog stays in.

请随手把门扣上，狗才不会跑出去。

扣住、卡住

The lid won't latch properly unless you press it down.

盖子要用力压下去才扣得紧。

缠上、黏著、依附多指 latch onto

He latched onto us at the party and wouldn't leave.

他在派对上缠著我们，一直不肯走开。

迷上、热衷于多指 latch onto

The media quickly latched onto the mayor's careless remark.

媒体很快就抓著市长那句失言大作文章。

领会、抓住口语

She latched onto the main idea faster than anyone else.

她比任何人都更快抓到重点。

含乳、吸附育儿

The newborn took a while to latch on properly.

新生儿过了一阵子才学会正确含乳。