(as) clean as a (new) pin
US /əz kliːn əz ə njuː pɪn/
UK /əz kliːn əz ə njuː pɪn/
1.
一塵不染, 非常乾淨
very clean or neat
:
•
After she finished cleaning, the kitchen was as clean as a new pin.
她打掃完後，廚房一塵不染。
•
His car is always kept as clean as a new pin.
他的車總是保持得一塵不染。