may表示请求和允许,意为可以。
回答:
Yes,you may/ can.No,you mustnt / Youd better not.
是的,你可以/可以。不,你不能/最好不要。
You may need to give the floor a rub-down with glasspaper.
你可能得用玻璃砂纸打磨一下地板。
Don't go ─ I might need you.
别走——我可能要你帮忙。
Use of these chemicals may present a fire risk.
使用这些化学品可能有失火的'危险。
The situation might all too easily have become a disaster.
这形势本来是很可能成为一场大灾难的。
He might get there in time, but I can't be sure.
他有可能准时到达,但我不敢肯定。