英語你我他文法篇78:mustn't
講義
mustn't (不可以；禁止)
May I go now? No, you mustn't. 我可以走了嗎？不可以。
You must keep it a secret. You mustn't tell it to any one.
你一定要保守秘密，不可以告訴任何人。
You mustn't make noise. We are having a meeting.
你不可以吵鬧，我們正在開會。
You mustn't turn the switch on; the room is full of gas.
你不可以將開關(guān)打開，房間里充滿了瓦斯。
Children mustn't play with dangerous objects like sharp knives or scissors.
小孩子不可以玩危險(xiǎn)的物品，例如銳利的刀子或剪刀。
This is an opportunity that comes once in a lifetime. You mustn't let it pass.
這是一生難逢的機(jī)會，你絕不可放過。
