1、She bought a hat yesterday.
2、He took off the hat and revealed his bald head.
3、He always wears a panama hat.
4、The magician conjured a rabbit out of his hat.
1、I'll eat my hat
绝不可能(某人认为发生某事物的可能性几近荒谬时的用语) expression used by sb who believes that sth is so unlikely to happen that even to suggest it is absurd
2、keep under one's hat
对某事物保密 keep sth secret
keep sth under one's hat
If I tell you the date of election, can you keep it under your hat?如果我把选举的日子告诉你,你能保密吗?
It's not wise to keep information like that under your hat.将那样的事情隐瞒起来是不明智的。
3、knock into a cocked hat
挫败或超过某人 defeat or outclass sb/sth
knock sb/sth into a cocked hat
The lawyer knocked his opponent's story into a cocked hat.律师把他的对手驳得体无完肤。
At the last election, the Government won easily, knocked the Opposition into a cocked hat.上次选举,政府轻而易举地取胜,把反对派彻底打败。
My mother is such a good cook she knocks anyone else into a cocked hat.我母亲是一个高明的厨师,远远超过了其他任何人。