我要参加一个比赛，我必须为此做准备。

I'm going to take part in a competition, and I must prepare for it.

youdao

这个星期天我要参加一个英语写作比赛。

I will take part in an English writing competition this Sunday.

youdao

当我六年级的时候，我参加了一个钢琴比赛。

When I was in the sixth grade, I joined a piano competition.

youdao

at the end, you have a tournament against other teams on, on campus.

最后，你们会参加一个与学校其他队伍的比赛。

伯克利的水上运动 - SpeakingMax英语口语达人