在线词典前俯后仰身体前后晃动。形容大笑或困倦得直不起腰的样子。拼音qián fǔ hòu yǎng解释身体前后晃动。形容大笑或困倦得直不起腰的样子。近义词前仰后合、前俯后合英文释义to rock one's body backward and forward; to be convulsed (with laughter etc)