many a许多的/一个又一个的
mark down记下/标低(商品)价目
mark off划分出
mark out划分出/规划
mark out for使…注定要
mark time原地踏步/停止不前
mark up把…标出
may as well还不如/不妨
mean business是当真的
measure up合格/符合标准
measure up to符合/达到/够得上
meet up with偶尔碰见
meet with(偶尔)遇见/碰到
mind you听着/请注意
mistake for把…错认为
mix up混全/混淆/搞糊涂
more often than not时常/在更多情况下
more or less或多或少/左右
more than ever超出任何时候
move about走来走去/总是搬家
move off离去/走掉
move on继续前进
much less更不
much more更加/何况
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