与世沉浮 yǔshì-chénfú
(1) [drift with the tide]∶随波逐流,人云亦云
岂若卑论侪俗,与世沉浮而取荣名哉!——《史记·游侠列传》
(2) [go with the tide;follow the general trend]∶做事不标新立异,随大流儿