雅思口语加分词汇：know-it-all ...

今天又开始读我最喜欢的书《引爆点》，英文名是the Tipping Point.

这本书我已经看了N遍，对各行各业的人都会有帮助。大家可以去网上找找书评，了解一下。

我今天给大家分享几个书中的地道口语表达。

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1. My dad is a slender（身材修长的）, energetic man in his fifties（50多岁了）.

2. I had a classmate who was an obnoxious know-it-all（很讨厌的自以为无所不知的人）. I can never be friends with someone like that.

3. I burst out laughing（大笑出来） when I heard my four-year-old nephew said, 'I want to marry that girl'.

4. Jason is not tall; he's of medium height（中等身高）, but he is quite muscular（有很多肌肉的）.

5. No one likes those people who enjoy showing off（炫耀）.