She pieced the quilt together from scraps of old cloth.她用一块块旧布缝出了这床被子。

Watching the movie was like piecing together [=putting together] a jigsaw puzzle.看这部影片就像是玩拼图游戏。

The police had to piece together reports from several witnesses to get an accurate account of what happened.警方把几位目击者提供的信息组合起来，才弄清楚了事情的原委。

piecing together the clues/evidence组合线索/证据