她因为胆小而不敢参加演讲比赛。

She is too cowardly to join the speech contest.

参加演讲比赛是提高自信的好方法。

Participating in a speech contest is a great way to boost confidence.

参加演讲比赛帮助她建立了自信心。

Participating in the speech contest helped her build self-confidence.

我已答应南希参加演讲。

I had promised Nancy to attend the lecture.

对于你提出的参加演讲辩论演讲社团的建议，我非常赞同你的意见。

As for the suggestion on participating in some speech clubs, I completely agree with what you said.

约翰打算参加演讲比赛但他失去勇气没有参加。

John intended to take part in the speech competition but he got cold feet and didn't.

市长邀请各行各业的人士参加演讲。

The mayor invited people from all walks of life to the speech.

这个女孩代表我们班参加演讲比赛。

The girl stands for the whole class to participate the speech contest.

赞助商 可以推荐自己的合作伙伴一同参加演讲。

Special sponsor and golden sponsor can invite partners to make the presentation together.

他还定期帮我辅导功课，当我参加演讲比赛时，他也是最热情的支持者。

He helped me with my homework regularly and was my most enthusiastic fan when I participated in oratory contests.