英語(yǔ)你我他文法篇78:mustn't

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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(kāi)會(huì)。

You mustn't turn the switch on; the room is full of gas.

你不可以將開(kāi)關(guān)打開(kāi)，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(huì)，你絕不可放過(guò)。