piecemeal

ad. 一件一件,一片一片
a. 一片一片的,逐渐的
n. 断片

I've only had a piecemeal account of what happened.

我对发生的事情只有支离破碎的了解.

The building was assembled piecemeal.

那座建筑物是一块一块地组装起来的。