may
[mei, me]
aux.
(1)可能, 也许, 可以, 祝, 愿
n.
(2)(May) 五月, 能, 可能
may
[meI]
v.
(1)否定句的缩写形式为 mayn't
(2)可能；也许
It may rain today.
今天可能下雨。
(3)可以；允许
You may come if you wish.
假如你愿意的话，你就来。
(4)祝；愿
May they live long.
祝他们长寿。
(5)（表示目的）（以便）能…；欲
Write to him at once so that he may know in time.
立刻写信给他，好让他及时知道。
词组:
may as well
还是…好了
There is nothing to do, so I may as well go to bed.
没什么事可做，我还是上床睡觉好了。
参考资料：自己找的