knocking-over sinker

例句：

1. 1. The old ship sank into the sea, leaving only its knackered hull behind.
   旧船沉入海中，只留下它的破旧船体。
2. 2. The sailors had to work hard to keep the knackered vessel afloat.
   水手们不得不努力保持这艘破旧的船只浮在水面上。
3. 3. The knackered vessel was a reminder of the harsh realities of life at sea.
   破旧的船只是海上生活严酷现实的象征。