「托关系、走后门」英文怎么说？

pull strings

托关系、走后门

Francis pulled strings to get himself out of trouble. 

Francis托关系让自己摆脱了麻烦。

I hear that the only reason Johnny got into college was because his dad pulled some strings with the president of the university. 

听说，Johnny之所以能够进入那所大学，全因为他老爸托了校长的关系。

I actually know a few people who work at that restaurant, so I'll see if I can pull a few strings and get you a table.

其实我在那家餐厅有认识的熟人耶，我看看能不能走个后门，帮你订个桌子吧！