我是英语专业的 我们有一门课是 英语演讲与辩论 里面有专门的这方面的培训 让哥们儿给你来段标准的开场白Ladies and gentelmen(这是比较客气的，同时也比较疏远，你做报告给家长，可以说dear daddy and mummy),it's my honor to stand here .Tonight （时间，如果是晚上就说tonight,如果是其他时间，直译即可）we would like to share our perfomance with all of you,we hope you will enjoy it.下面是结束语，相对简短dear daddy and mummy,that' s all for our show,may you have a good night(如果不是晚上就直接说may you have a good time)thank you for your coming and we love you.GooDbye。
Good morning/afternoon/night,everyone.my name is XXX。i am very glad to stand here to give a speech to you.It is my pleasure.Today i am going to talk about'XXX'.I hope you will enjoy it
