1·Well, now, I must be off.
好了，现在我得走了。
2·"Now we must be off," said Hansel, "that we may get out of the witch's forest."
“现在我们必须离开，”汉赛尔说，“这样我们才能离开女巫的森林。”
3·I'll just take a look outside and see if everything's quiet, and then we really must be off.
我去外面看看，看看是不是一切都很安静，然后我们真的得出发了。
4·Well, I must be off. Good-bye!
唔，我必须走了，再见！
5·We must be off the freeway.
我们得离开高速公路。
6·Good-bye, I must be off now.
再见，我必须走了。
7·I think I must be off now.
我想现在我该走了。
8·I really must be off now.
现在我真的该告辞了。
9·I'm afraid I must be off.
恐怕我得走了。
10·Well, I must be off now.
嗯，我必须回去了。