1.know-it-all万事通
Grace is always correcting other people. She thinks she’s a know-it-all.
格雷斯总是在纠正别人，她觉得自己是万事通。
2.kooky古怪的
That man is really kooky. He has fifty-three cats!
那个人真怪。他养了53只猫！
3.let someone have it让某人好看
Next time I see Rick, I’m going to let him have it.
下次我看到李克时要他好看。
4.a leg up占上风
All Jeff’s hard work is paying off. He’s a leg up on the rest of his competitors.
杰夫的努力是有报答的。他在竞争对手中占了上风。
5.low-life落魄潦倒的人
Chris is such a low-life. He sleeps on the park bench and drink booze all day.
克利斯真是落魄潦倒。他睡在公园板凳上而且整天喝酒。
。