• 动词+back keep back隐瞒;忍住 look back 回顾 give back归还 take back拿回,收回 hold back控制住 call back 回电话 • 动词+through get through通过;接通电话 look through翻阅;看一遍 put through接通电话 check through核对 go through审阅;检查学习 see through识破 pull through渡过危机;康复