When I was small, one day, when I went home after school, I felt bored and opened the TV, then I saw the tennis match.

当我还小的时候，一天，当我放学回家后，我觉得很无聊，打开电视机，然后看到了网球比赛。

youdao

I remember one day when I came home after school, I opened the TV and watched a tennis match.

我记得有一天当我放学回家后，我打开了电视机，看到了一场网球比赛。

youdao

At around thirteen o 'clock on Saturday, January 26, 2008, I heard the sound of door knocking when I was watching TV in my room, so I opened the door.

2008年1月26日星期六，下午一点左右，我在房间里看电视的时候听到有人敲门，于是我去开门。

youdao