be supposed to: she’ s supposed to have had five hundred pairs of shoes 据说她有500双鞋子。 i haven't seen it myself but its supposed to be a great movie. 我还没看过这部电影,但据 说它还挺不错的。be supposed to: ◼ She’s supposed to have had five hundred pairs of shoes. 据说她有500双鞋子。 ◼ I haven’t seen it myself, but it’s supposed to be a great movie. 我还没看过这部电影，但据 说它还挺不错的