to play by ear
01
to have the ability to play music by listening to it and recreating the sounds and melodies without relying on sheet music or written notation
例子
He's a talented pianist who can play by ear and entertain any crowd.
to play something by ear
01
to make decisions or take actions without prior planning or preparation, based on how the situation develops
例子
We'll just have to play it by ear until we can get something definite sorted out.



























