play off one against another

一些汉语... ... 自我感觉特好 holier-than-thou 挑拨离间 play off one against another 满足于过去成就 rest on one's laurels ...

... play off one against the other 挑拨离间, 从中得利 play off one against another 挑拨离间, 从中得利 play on 利用 ...