machine oil 机油

mad as a hornet 疯了

mail box 油箱

mail carrier 邮递员

mail room 收发室

major in 以……为专业

make a hotel reservation 预订饭店

make a mess of 把……搞得一团糟

make do with 用……来凑合

make ends meet 收支相抵

make fun of 取笑，嘲弄

make it 支撑；赶上；成功

make it to 赶上；找到

make no difference 没有区别，一样

make oneself at home 随意，自由自在

make one's flight 赶上航班

make out 进展；辨认

make sense 有意思；讲得通；理解

make some difference 有区别；有用

make sure 搞清楚；保证

make the most of 最充分地利用

make up one's mind 下定决心

manage without 没有……也行

marching band 行进乐队

me either 我也不

me too 我也一样

measure up 够格，够资格，符合标准

media center 媒体中心

medical school 医学院

meet each other halfway 相互让一步

mess up 搞糟，搞乱

metric ruler 米尺

midterm exam 期中考试

might as well 不妨，倒不如

might at least 至少

mineral water 矿泉水

miss out on 错过……

miss the point of something 错过……得意义；错过最重要的东西

mistake……for……错误地把……当作……

more than happy 非常高兴

most of all 最重要的是

move off the campus 搬出学校

move on to 进一步讨论……

move out 搬出去

my goodness 我的天哪

mystery novel 悬念小说