当我父亲回家时，我已做好饭了。

When my father was back, I had already finished to cook.

youdao

当父亲回家时，他注意到我的不安，因而询问我发生了什么事。

When Dad came home, he noticed my uneasiness and asked me what had happened.

youdao

父亲回家时满脸春风，他因为保护公司财产的英勇行为而受到表彰，很快将获得提升。

Father came back home walking on clouds. He had been cited for his brave act in protecting the property of the company and would soon be promoted.

youdao