1. mention in the same breath：人类能左右脑并用. : Humans can use the left and right sides of their brains simultaneously. | 相提并论 : mention in the same breath | 5. adverb [表示强调] really
2. to be mentioned in the same breath：相形见绌 pale by comparison; to be outshine | 相提并论 to be mentioned in the same breath | 相依为命to depend on each other for survival
3. mentioned and discussed as related things：相辅相成to complement each other. | 相提并论mentioned and discussed as related things. | 相见恨晚to regret having met earlier.