unturned [ˌʌnˈtɜ:rnd]

例句:

• The police left no stone unturned to look for the child.
  警察千方百计地去寻找孩子.
  
• He said he would leave no stone unturned in the search for peace.
  他说他会尽一切努力去寻求和平。
  
• Don't leave a stone unturned. It's always something , to know you've done the most you could.
  千方百计去做吧, 知道自己已经尽力而为,对自己是一种安慰.
  
• My philosophy is to leave no stone unturned.
  来自BBC
• "You don't want to leave any stone unturned," says Mr.
  来自WSJ
• I sincerely hope that no stone will be left unturned in delivering the outcome that the families deserve.
  来自BBC