i'll start with american idioms and next time i'll post the british idioms
idiom and the definition
1- Smell a Rat
How come the front door is open? Didn't you close it before we went shopping?
I'm sure I did. I can't understand it. Frankly, I smell a rat.
Me, too. I'm convinced that something is definitely wrong here. We'd better call the police.
When the security guard saw a light in the store after closing hours, it seemed to him that there was something fishy going on. He called the central office and explained to his superior that he thought something strange and suspicious was occurring.
3- Let the cat out of the Bag
Bob was going to retire from teaching in June, and the foreign language department was planning on presenting him with some luggage at his retirement dinner. He wasn't supposed to know about it, but someone let the cat out of the bag. At the dinner Bob acted surprised, even though someone had told him what he was getting before the official presentation.
4- Straight From the Horse's Mouth
How did you find out that Jill was engaged?
I got the information from a very reliable source.
You mean Jill told you so herself?
That's right. I got it straight from the horse's mouth!
5- Get in Someone's hair
Children! Would you please stop making so much noise!
And for heaven's sake, pick up your clothes and toys!
It's hard enough trying to keep this house clean without your throwing your things all over the place!
Clara, I know that the children get in your hair, but you should try not to let it upset you so much.
Listen, Jim. I can't help it . The children bother me and make me very angry when they're so noisy and messy.
6- Shoot Off One's Mouth
m doesn't play tennis very much, but he's always shooting off his mouth about how good he is. Yet he's fooling nobody. Jim is somewhat of a braggart and everyone knows that he gives opinions without knowing all the facts and talks as if he knew everything about the game.
7- Jump Down Someone's Throat
That's it, Greg! You'd better not come in after midnight again tonight!
I know, dad. You don't have to jump down my throat! I told you that I'd make it home around 11:30. I don't intend to be late!
Well, you've said that before and in you come at 2: 30 in the morning. You can't blame me for getting angry and scolding you. I've got good reason.
8- Play It by Ear
Let's go to the movies, agreed?
Sure. And what'll we do after that ?
Oh, I don't know. Let's play it by ear.
Well, I would like to have a more definite plan of action.
Don't be like that. It's always more fun not knowing what to expect and deciding what to do as we go along.
9- Not Have a Leg to Stand On
Tom maintains that the firm owes him some back wages for having worked overtime. However, he won't have a leg to stand on unless he can prove that he put in all those extra hours. He doesn't stand a chance of getting his money without a strong foundation of facts to support his position.
10- Jump the Gun
Denise was planning on telling her grandparents that the doctor said she was going to have twins, but when her dad found out he jumped the gun and told them before Denise could say a word. He was so excited that he became hasty and revealed the news before Denise had a chance to tell them.
that's enough for now
see you once again