本集核心英语单词及例句：

1.trick (n.)诡计；恶作剧
Your trick won't be slipped over me.
你的诡计再也骗不了我了。

2.prank (n.)恶作剧，开玩笑
Leave cryptic notes warning someone of an impending prank then do nothing all day.
给别人留一个当心恶作剧的便条，却什么也不做。

3.obvious (adj.)明显的；显著的
This is so obvious.
这是很明显的。

4.Tape (n.)胶带；磁带
Tape it to a mirror and make it part of your morning ritual.
用胶带将它粘在镜子上，让它成为你的早晨惯例的一部分。

5.underneath (prep.)在…的下面
She ran a straight line underneath the sentence which she thought important.
她在她认为重要的句子下面画上一条直线。

6.reaction (n.)反应，感应
But we can control our reaction to them.
可是我们能够控制自己的反应。

7.spray (v.)喷
Simply spray them on your clothes and smooth the surface with your hands.
简单地喷在你的衣服上并用手弄平衣服的表面。

8.mix up 混淆；拌和；调和
Is it mix up with another air line?
会不会和别的航线的行李混在一起了。

9.play tricks on 捉弄，开玩笑
It's a tradition to play tricks on people on April 1st.
在四月一日，作弄人是个传统习俗。