The lorry's trailer came loose.

卡车的拖车松了。

Another tug and it came loose.

又拽了一下，它就松了。

[no obj.]she inspected the embroidery, snipping at loose threads.

她在检查刺绣品，把松线头剪掉。

He'd cut loose the horses.

他松开了马。

Her hair tended to come loose.

她的头发容易松散。