没有2méi·yǒu〈副词adv.〉 1.表示‘已然’的否定{[negative form of ‘have done’ or ‘have happened’] have not; not yet}: 他还～回来{He hasn't come home yet.}|天还～黑呢。{It hasn't turned dark yet.} 2.表示‘曾经’的否定{[negative form of ‘did’] did not}: 老张上个星期～回来过{Laozhang did not come back last week.}|银行昨天～开门。{The bank was not open yesterday.}