to blame someone or to make them responsible for a problem that you should deal with yourself.

Parents often try to pass the buck to teachers when children misbehave in school. (sometimes + to)

Bus companies are just passing the buck by saying their drivers are responsible for delays.

• the house from hell
• the icing on the cake
• the ins and outs
• the ins and outs of
• the ins and outs of something
• the Ivy League
• the jewel in the crown
• the joker in the pack
• the joke's on
• the joke's on someone
• the jury is out
• the jury is still out
• the kiss of death
• the knives are out
• the land of milk and honey
• the last gasp of
• the last gasp of something
• the last minute
• the last of the big spenders
• the last straw
• the last word in
• the last word in something
• the law of averages
• the law of the jungle
• the lay of the land