I don't like the two-faced person.
我不喜欢两面派的人。
形容词two-faced一般指当面一套、背地又一套的行为伎俩,绝对是个贬义词。有首英文歌《Shape of My Heart》的歌词说“I'm not a man with too many faces. The mask I wear is one”就是说,我不是一个有很多面孔的人,我是个真诚的人。
例句:He's a two-faced person. He knows how to butter up those power.
他是个两面三刀的人,他懂得怎么向领导阿谀谄媚。