Act one’s age
To be mature, not childish
别孩子气，成熟点吧，举止与年龄相称
- He was told to stop crying and act his age.
有人告诉他，都这么大了，不要再哭了。
Air rage
Angry behavior inside an airplane
（客机乘客的）空中暴力，空中闹事
- Most air rage incidents involve heavy drinking.
大多数的空中暴力事件与酗酒有关。
Blow one’s stack
To lose one’s temper and explode in anger
发怒，生气
- My father will blow his stack when he sees what happened to the car.
我父亲看到汽车的这副样子肯定会大发雷霆的。
Chuck a wobbly
To act in an emotional way
带着不快情绪做某事
- John chuck a wobbly at work after the boss criticized his report.
老板批评了约翰的报告后，他便带着情绪工作。
Draw a blank
Be unable to remember something
一片空白；毫无结果
- He asked me for my phone number and I drew a blank - I just couldn't remember it.
他向我要电话号码可我却没能给他——我把号码给忘了。
Fly off the handle
To become suddenly enraged
大发雷霆
- He's extremely irritable - he flies off the handle at the slightest thing.
他极容易发火——芝麻大的小事都能让他大发雷霆。
Off one’s rocker
Crazy, nuts, insane
发疯；做傻事
- You want me to quit my job? You must be off your rocker!
你想让我辞掉我的工作？你一定是疯了！
On the fence
Undecided between two choices
骑墙观望，犹豫不决
- You can't sit on the fence any longer - you have to decide whose side you're on.
你不能再骑墙观望了——你必须决定支持谁。
On the ball
Prepared, alert, competent
机灵；灵敏
- I didn't sleep well last night and I'm not really on the ball today.
我昨晚没有睡好，所以今天反应迟钝。
