musical chairs noun
Learner's definition of MUSICAL CHAIRS
[noncount]
1
: a children's game in which players walk around a row of chairs while music plays and try to sit down when the music stops ◊ In musical chairs the number of chairs is always one less than the number of players, and the player who is not fast enough to find a chair when the music stops has to leave the game.抢椅子游戏（椅子的数量总比参加人数少一个，音乐一停，抢不到座位的人被淘汰）
2
: a situation in which people often change jobs or position in a way that is confusing or badly planned（混乱或糟糕的）人员频繁变动