leave no stone unturned

英語（米国） (en-US) 英語（イギリス） (en-GB)

動詞

慣用表現 比喩的用法

(idiomatic) To search or investigate thoroughly. / (figuratively) To perform a task carefully and thoroughly, not missing any step.

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As detectives, we will leave no stone unturned in our search for the missing artifact.

詳細

意味（1）

(idiomatic) To search or investigate thoroughly.

“This case of police torture and murder is shocking. But this is not the first case and it is unlikely to be the last case until and unless the police conduct serious interrogations and investigations and leave no stones unturned,” said Sunai Phasuk, a senior researcher for Human Rights Watch.

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意味（2）

(figuratively) To perform a task carefully and thoroughly, not missing any step.

[He] left unturned no stone / To make my guilt appear, and hide his own.

詳細

leaves no stone unturned （ 現在形 単数形 三人称 ）

leaving no stone unturned （ 分詞 現在形 ）

left no stone unturned （ 分詞 過去形 ）

left no stone unturned （ 過去形 ）