No stone unturned?
Brick wall?
Chosen one
An albatross for Republicans
体坛英语资讯：Djokovic, Nadal struggle in Madrid Open
国内英语资讯:China to enhance CPC leadership in cultural organizations
Hand to mouth?
国际英语资讯:World Economic Forum on ASEAN kicks off in Cambodia
国际英语资讯:FARC, ELN guerrillas call for end to political violence in Colombia
Pull the plug?
Call their bluff?
From the get go?
Trick question
国际英语资讯:Belarus President reaffirms readiness to work with Russia in potash industry
国际英语资讯:UN Security Council asks Guinea-Bissau to name new prime minister
Last-ditch idea?
Goodness knows?
Another false start?
国内英语资讯:Political advisors discuss waste disposal solutions
研究：美银行法拍屋降至2005年来最低点