crack up 哈哈大笑; 使…哈哈大笑。
分类: 英语学习方法
crack有破裂、裂开的意思。人的笑就像是严肃的表情裂开了,所以crack up 也有哈哈大笑的意思。
If you crack up or if someone or something cracks you up, you laugh a lot
She told stories that cracked me up and I swore to write them down so you could enjoy them too.
她讲了些让我哈哈大笑的故事,我发誓要把那些故事写下来,以便你们也可以欣赏。