一唱一和 (yī chàng yī hè) | Meaning: to echo one another (idiom) | Chinese Idiom with Pinyin & Origin

coordinate with each other from afar · echo each other at a distance遥相呼应yáo xiāng hū yìng

to blindly follow suit (idiom) · to imitate slavishly · to do what everyone else is doing亦步亦趋yì bù yì qū

lit. to be together from the first beat (idiom) · to hit it off · to click together · to chime in easily一拍即合yī pāi jí hé

to echo one another (idiom)