Boomerang child?
Brick wall?
国内英语资讯:Political advisors discuss waste disposal solutions
The wheat from the chaff
Dog in a manger?
Take a backseat to nothing
An albatross for Republicans
Battery chickens
体坛英语资讯:Real Madrid assure final spot against Juventus despite defeat in Calderon
体坛英语资讯:Nadal, Djokovic made to work before progressing in Madrid