unturned
adj. 未翻转的；未颠倒的；不转动的
例句
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。
《新英汉大辞典》
We'll leave no stone unturned to accomplish the great task.
为了完成这一件伟大的任务，我们将会千方百计。
They left no stone unturned in their search for the child's mother.
他们千方百计寻找孩子的母亲。
