Ministry of Education 《Revised Mandarin Chinese Dictionary》

Word	同流合汙
Bopomofo	`ㄊㄨㄥ^ˊ` `ㄌㄧㄡ^ˊ` `ㄏㄜ^ˊ` `ㄨ`
Hanyu pinyin	tóng liú hé wū
Synonym	隨波逐流、隨俗浮沉、與世浮沉
Antonym	明哲保身、潔身自愛、潔身自好
Interpretation	隨世浮沉。語本《孟子．盡心下》：「同乎流俗，合乎汙世。」後多指跟壞人一起做壞事。《三俠五義》第一一二回：「那一派的驕侈倨傲，同流合汙，已然習慣成性。」

Dictionary review