latch key

同根派生

Nowadays, with both parents working, more children are being left “home alone” after school. Such children used to be called “latch key children”. Today, this is called “self-care”.
現在的父母都要上班，很多孩子放學後都要獨自在家。這樣的孩子以前叫作“掛鈅匙的孩子”。今天，這種方式通常叫作“自理”。
If I could only latch onto some of your know- how.
要是我能有一點你的那種決竅就好了。
Latch on to some very valuable books.
搞到幾本極有價值的書。
Please latch the front gate when you leave.
走時請把大門的碰鎖鎖好。
Please leave the door latch shut.
請把門閂上。