One day, he walked out of the house with a small bag and never came back.

一天，他带了个小提包走出家门，再也没有回来。

《牛津词典》

What if she never came back?

如果她永远不能回来了呢？

youdao

the tree was glad to see him happy but the boy never came back since then.

看到男孩那么高兴，树非常欣慰。 但是，男孩从此很久都没回来。

youdao

I never really knewwhy she came back, but I didn't care.

VOA: standard.other

But he never came back and his tally was left there hanging on its hook.

BBC: Albert Rowlands has not been down a mine since the disaster

Ms. Summers, who would be turning 20 in June, never came back and is still missing.

WSJ: In Cleveland, Another Family Holds Out Hope

How many Californians left after the last major earthquake and never came back?

CNN: Behind the Scenes: Fear and pride in New Orleans