She was alive, though, when her son graduated and returned home in May.

儿子五月毕业回到家乡后，她还活着。

youdao

Only when he returned home did he realize that she had left.

只有当他回到家里时，他才意识到她已经离开了。

youdao

When she returned to her home that night.

那天晚上她回到家时。

youdao

When she returned to her home that night.

那天晚上她回到家时。

youdao