mustn't例句
Keep down! You mustn't let anyone see you.
蹲下！一定不要让人看见你。
You mustn't leave the gate open.
你一定不要让大门敞开着。
You mustn't say things like that.
你千万别说那样的话。
I mustn't be late or Dad will go up the wall.
我不能晚了，否则爸爸会发脾气的。
We mustn't let these minor details obscure the main issue.
我们不能让枝节问题掩盖主要问题。