下脚料

下脚料

Literally means:

leftover bits and pieces of industrial processing

Actually means:

It refers to the bits and pieces left in raw material processing or product manufacturing.

It figuratively means things or people of little use. Sometimes derogatory.

原材料加工或产品制作过程中剩下的边角碎料。

也比喻用处不大的东西或作用不大的人。有时具有贬义色彩。