mustn't例句
Keep down! You mustn't let anyone see you.
蹲下！一定不要讓人看見你。
You mustn't leave the gate open.
你一定不要讓大門敞開著。
You mustn't say things like that.
你千萬別說那樣的話。
I mustn't be late or Dad will go up the wall.
我不能晚了，否則爸爸會(huì)發(fā)脾氣的。
We mustn't let these minor details obscure the main issue.
我們不能讓枝節(jié)問題掩蓋主要問題。