我把马达拆开，想看看它是怎么工作的。

I took the motor ___apart to see how it worked.

我的夹克太旧了，都快散架了。

My jacket is so old, it's coming ___apart.

要搬动这个书架，我们得先把它拆开。

To move the bookshelf, we had to take it ___apart first.