cast off
phrasal verbcast off | cast something off
to untie the ropes that are holding a boat in a fixed position, in order to sail away 解缆；解（船）；解缆出航 (in knitting 编织 to remove stitches from the needles in a way that forms an edge that will not become loose 收针
cast something off
- (formal)
to get rid of something because you no longer want or need it 抛弃；丢弃 The town is still trying to cast off its dull image. 该镇仍在努力摆脱自己沉闷无趣的形象。