But I must come back.

但是我还是必须要回来。

youdao

I was very hesitant to come and ask her, and I walked past but I thought I must come back - just in case.

一开始我有些犹豫，所以走了过去，但是我觉得自己必须回头帮助她，万一她走失了呢。

youdao

"But remember," she said, "I must lock the cottage door against those huntsmen, so when you come back in the evening, and knock, I shall not admit you, unless you say, 'Dear little sister let me in."

“但是记住，”她说，“我一定会锁上小屋的房门拒绝那些猎人，所以当你晚上回来的时候，敲门，我将不会让你进来，直到你说：亲爱的小妹妹让我进来吧。”

youdao

Because all stories must come full-circle, I direct you back to my last piece, in which 4chan members do exactly this when another gamer tells them he pirated The Witcher 2.

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And then one of them must have come back that night or another, because I woke up in the small hours with a hot-water bottle under my feet.

NEWYORKER: Wakefield