cast off

US /kæst ˈɔːf/
UK /kæst ˈɔːf/
"cast off" picture
1.

拋棄, 擺脫

to get rid of something or someone that is no longer wanted or needed

:
The snake cast off its old skin.
蛇蛻去了舊皮。
They cast off their old beliefs and embraced new ideas.
他們拋棄了舊觀念,接受了新思想。
2.

啟航, 解纜

to untie a boat from its moorings and set sail

:
The crew prepared to cast off at dawn.
船員們準備在黎明時分啟航。
Once the lines were clear, they cast off from the dock.
纜繩解開後,他們就從碼頭啟航了。