a dime a dozenCOMMON American EnglishAmE informal very common and not valuable 平常的,不稀罕的,不值钱的 SYN British English ten a penny PhDs are a dime a dozen nowadays. 如今哲学博士学位不值钱了。
a dime a dozen• Girls are a dime a dozen.• Jobs like his are a dime a dozen.• So-called solutions to the longitude problem had been a dime a dozen even before the act went into effect.• Metaphors of Britain's decline have been a dime a dozen in the post-war years.• Sam told her not to worry, jobs like that were a dime a dozen.
→ a dime a dozen at dime(1)