to say what everyone says (idiom); to conform to what one perceives to
人 · 2 strokes
Pictograph of the side view of a standing person.
云 · 4 strokes
Depicts a swirl of clouds up (上) in the sky.
亦 · 6 strokes
Pictograph of a person, with two dots at the armpits. Based on the original meaning "armpit", now written as 腋. The current meaning is a phonetic loan.
云 · 4 strokes
Depicts a swirl of clouds up (上) in the sky.
要有自己的想法，不要人云亦云。
Have your own opinions; don't just echo what others say.