It's a speech contest.

这是演讲比赛。

Did you take part in the speech contest?

你参加演讲比赛了吗？

He took part in the English speech contest.

他参加了英语演讲竞赛。

I took part in the English speech contest yesterday.

我昨天参加了英语演讲比赛。

We are going to take part in the English speech contest.

我们正准备参加英语演讲比赛。