Daily Chinese Idiom Guessing Game
to be influenced by constant exposure to something, often without conscious effort; to be subtly affected by what one frequently sees and hears.
濡沾湿；染沾染。耳朵经常听到，眼睛经常看到，不知不觉地受到影响。
唐·韩愈《清河郡公房公墓碣铭》目濡耳染，不学以能。”
Living in a musical family, she learned to play the piano through constant exposure, just by ear and eye.