1、recover from，经过…抄后恢复原状；复原；康复。It will be a long time before he recovers from his present troubles.要使他从目前的困袭境中恢复过来需要很长时间。

2、从…重新获得；从…索回：Don't lend money to others;it's difficult to recover it from them.不要把钱借给别人，因为借出的钱很难从那些人手里问再要回来。