(as) clean as a whistle
US /əz ˈkliːn əz ə ˈhwɪsl/
UK /əz ˈkliːn əz ə ˈhwɪsl/

1.
limpo como um assobio, impecável
completely clean or spotless
:
•
After she scrubbed the kitchen, it was as clean as a whistle.
Depois que ela esfregou a cozinha, estava limpa como um assobio.
•
The car came back from the car wash as clean as a whistle.
O carro voltou do lava-rápido limpo como um assobio.
2.
sem problemas, suavemente
without any problems or difficulties; smoothly
:
•
The whole operation went as clean as a whistle.
Toda a operação correu sem problemas.
•
He got through the interview as clean as a whistle, answering every question perfectly.
Ele passou pela entrevista sem problemas, respondendo a todas as perguntas perfeitamente.
3.
limpo como um assobio, honesto, legal
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.
O histórico do político foi considerado limpo como um assobio após a investigação.
•
He swore his business dealings were as clean as a whistle.
Ele jurou que seus negócios eram limpos como um assobio.