(as) clean as a whistle

US /əz ˈkliːn əz ə ˈhwɪsl/
UK /əz ˈkliːn əz ə ˈhwɪsl/
"(as) clean as a whistle" picture
1.

ピカピカ, 完全にきれい

completely clean or spotless

:
After she scrubbed the kitchen, it was as clean as a whistle.
彼女がキッチンを磨いた後、そこはピカピカだった。
The car came back from the car wash as clean as a whistle.
洗車から戻ってきた車はピカピカだった。
2.

何の問題もなく, スムーズに

without any problems or difficulties; smoothly

:
The whole operation went as clean as a whistle.
作戦全体は何の問題もなく進んだ。
He got through the interview as clean as a whistle, answering every question perfectly.
彼はすべての質問に完璧に答え、面接を何の問題もなく乗り切った。
3.

全く問題ない, 潔白な, 合法的な

without any illegal or immoral actions; legally and honestly

:
The politician's record was found to be as clean as a whistle after the investigation.
調査の結果、その政治家の経歴は全く問題ないことが判明した。
He swore his business dealings were as clean as a whistle.
彼は自分の商取引が全く不正のないものだと誓った。