1. Know-it-all 万事通，万金油
Grace is always correcting other people for she thinks she's a know-it-all.
格雷斯是在纠正别人，她觉得自己是万事通。
2. Kooky 古怪的，发神经的
That man is really kooky. He had fifty-three cats!
那个人真乖，他养了53只猫！
释义：源于古英语cuckoo，一种奇怪的鸟叫声。
