backs 成语

backside

buttocks, bum, buns When I was learning to skate, I fell a lot. My backside was sore!

backs to the wall

a homophobic comment and warning to fellow heterosexuals that contact with a gay male is likely or happening. From the misconception that all gay males will endevour, or want to have anal intercourse with any male

beast with two backs

the imaginatively named figure that represents a couple during sex. Jocular usage

take a backseat

Idiom(s): take a backseat (to sb)

Theme: CONTROL - DIMINISH

to defer to someone; to give control to someone.
• I decided to take a backseat to Mary and let her manage the project.
• I had done the best I could, but it was time to take a backseat and let someone else run things.

Backseat driver

A backseat driver is an annoying person who is fond of giving advice to the person performing a task or doing something, especially when the advice is either wrong or unwelcome.

backseat driver|backseat|driver

n., informal A bossy person in a car who always tells the driver what to do. The man who drove the car became angry with the back seat driver.