hats
A hat is a head covering, often with a brim around it, which is usually worn outdoors to give protection from the weather.
a plump woman in a red hat.
一个戴红帽子的丰满女人。
If you say that someone is wearing a particular hat, you mean that they are performing a particular role at that time. If you say that they wear several hats, you mean that they have several roles or jobs.
Now I'll take off my 'friend hat' and put on my 'therapist hat'.
现在我将从朋友的角色转为治疗专家的角色。
at the drop of a hat
If you say that you are ready to do something at the drop of a hat, you mean that you are willing to do it immediately, without hesitating.
India is one part of the world I would go to at the drop of a hat.
印度是世界上我即刻就想去的一个地方。
keep something under your hat
If you tell someone to keep a piece of information under their hat, you are asking them not to tell anyone else about it.
Look, if I tell you something, will you promise to keep it under your hat?
喂,如果我告诉你什么事情,你能答应保守秘密吗?
take your hat off to someone
If you say that you take your hat off to someone, you mean that you admire them for something that they have done.
I take my hat off to Mr Clarke for taking this action.
我很赞赏克拉克先生的这一行为。
pull something out of a hat
To pull something out of a hat means to do something unexpected which helps you to succeed, often when you are failing.
There are expectations that he'll pull a ceasefire out of a hat.
人们期望他能奇迹般地达成停火协议。
draw something out of a hat , pick something out of a hat , pull something out of a hat
In competitions, if you say that the winners will be drawn or picked out of a hat, you mean that they will be chosen randomly, so everyone has an equal chance of winning.
The first 10 correct entries drawn out of the hat will win a pair of tickets, worth $30 each.
任意抽取的前10名符合要求的入围者将赢得两张入场券,每张价值30美元。