在线词典乐极生悲高兴到极点时,发生使人悲伤的事。拼音lè jí shēng bēi解释高兴到极点时,发生使人悲伤的事。近义词否极泰来、物极必反反义词乐而忘返、乐不可支英文释义extreme joy turns to sorrow (idiom); Don't celebrate too soon, things could still go wrong!