latch/lætʃ/

vt (用闩把…)闩上，(用弹簧锁把…)锁上

• Latch all the windows when you leave. 你离开时把所有的窗子都闩上。

vi 闩上，锁上

• The door hasn't latched. 门没锁上。

词组latch on to

1. 纠缠

• She was too talkative and she latched on to me the whole afternoon. 她太能聊了，整个下午都缠着我。

2. 理解

• Actually, I haven't latched on to what he said. 事实上，我到现在也没明白他说的是什么意思。