LanGeek
掌握有关微笑和大笑的英语习语，例如“bust a gut”和“grim from Ear to Ear”。
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to laugh or scream in great length or with extreme intensity
to laugh so hard to the point that one's eyes become full of tears
to laugh really loudly and in length
to laugh really hard, particularly to the point that one's stomach hurts
(of laughter) in a very intense and uncontrollable manner
笑得肚子都疼, 笑得前仰后合
a loud and uncontrollable laughter
大笑, 捧腹大笑
to smile very widely
(of a person) to look extremely happy and satisfied
a very charismatic smile that someone, particularly a woman, has
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