She's worn to a frazzle with her silly speech competition.

她被自己愚蠢的演讲比赛搞得精疲力竭。

I am writing to express my congratulations to you on your winning first place in the English Speech Competition holding recently.

我写这封信是为了祝贺你在最近举行的英语演讲比赛中获得了第一名。

Let's sign up for the Speech Competition!

我们报名参加演讲比赛吧！

John won first place in the speech competition.

在演讲比赛中约翰获得第一名。

John won first prize in the speech competition.

约翰在演讲比赛中获一等奖。