not know beans about something

對某事物一點都不懂;對某事物什麼都不知道。

例句:

  • My grandpa doesn't know beans about computers - He's never even used one. (我爺爺對電腦一竅不通 - 他甚至從未用過電腦)
  • I don't know beans about the stock market. (我對股票市場一無所知)

本文亦刊載在下列網址:
http://htmfiles.englishhome.org/idioms/idioms_food.htm

發表迴響