英语学习笔记：
have a cow 非常生气
jazz [dʒæz] vt.使有生气
snooze [snuːz] v.打盹儿
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What's eating you?
你咋了？
He tried to jazz the class up.
他就想让这个课的气氛活跃起来。
If you snooze，you lose.
如果你不注意，就会错过良机。
