Bird’s eye view – a good view of something from a high position.
Ex: I live on the 17th floor, and I have a bird’s eye view of the city.
To have a bee in one’s bonnet – to be obsessed about something.
Ex: John didn’t get the promotion he expected last year, and he has had a bee in his bonnet about it ever since.
To let the cat out of the bag – to reveal a secret.
Ex: It was supposed to be a surprise! Why did you let the cat out of the bag and told Mary about the party?
Donkey’s years – for a very long time.
Ex: It’s so nice to see you again! I haven’t seen you for donkey’s years!
To smell a rat – to be suspicious.
Ex: I don’t trust John when he says that he can’t help us paint the apartment because he’s working late. I smell a rat!
Like a fish out of water – to be in an unfamiliar situation.
Ex: I have started working for this company last week. I still feel like a fish out of water.
Straight from the horse’s mouth – to have an information from someone who’s directly involved.
Ex: “How did you know that Julia won’t come to the meeting?” “I heard it straight from the horse’s mouth.”
Wouldn’t say boo to a goose – used to describe someone who’s very quiet and shy.
Ex: Anna is so timid; she wouldn’t say boo to a goose.