call in

call in    召来，叫来，下令收回

【例句】

◆ When we're in trouble，we often call in our army to help．当我们遇到困难时，我们常常请军队来帮忙。    

◆ The makers have called in some cars with dangerous faults．制造商们收回了一些有危险性缺陷的小汽车。

◆ Do you accuse your neighbour of stealing and tell her you'll call in the police next time?你谴责你的邻居偷东西并告诉她 下次你就会叫警察了吗？