piece together
put together piece by piece 一片片拼合;拼凑
She pieced together a blanket from odds and ends of wool.她用零碎毛料拼凑成一床毛毯。
One cannot write a good narrative simply by piecing together the details.只是把细节拼凑起来并不能写出一篇好的记叙文。
I managed to piece together what had happened frow what he told me.我终于按他讲的情况把事情经过贯穿了起来。