Russian-English translations for мо́жет быть

• maybe
  The results of the poll were inconclusive. We got two yeses, three nos, and four maybes.
  About your raise: its a big maybe.
• may
  you may smoke outside;  may I sit there?
  he may be lying;  Schrödingers cat may or may not be in the box
  may you win; may the weather be sunny
• perhaps
  Perhaps John will come over for dinner