nab [næb] (-bb-) informal verb transitive ■to take something suddenly, or to catch or arrest a criminal 抢夺,猛然抓住;抓获,逮捕(罪犯)•Undercover police officers nabbed (= caught) the men at the airport.便衣员警在机场逮捕那些人。 •Someone nabbed my apple when I wasn't looking!有人趁我没注意抢走了我的苹果! |