piece sth ↔ together phr v [T] 1 to discover the truth about something from different pieces of information 〔把信息〕拼凑，拼合: Police are still trying to piece together a motive for the shooting. 警方仍在努力拼凑出枪击的动机。 2 to put all the parts of something into their correct position 把〔各部分〕拼到正确位置上