support;back up;bolster up ;
例句:
And they have some powerful friends.
他们有实权派的朋友撑腰.
Bruce can no longer count on unequivocal backing upstairs.
布鲁斯已经不能再指望高层总是为他撑腰了.
They were supported by a vociferous group in the union.
一群吵吵嚷嚷的工会人员为他们撑腰.