I'm sure he could be prevailed upon to give a talk.

我相信能说服他来做一次报告。

Who will give a talk this afternoon?

谁今天下午将做个报告？

Dr Baker was asked to give a talk on DNA.

贝克博士被邀请做一个有关DNA的报告。

Do you want to give a talk on that subject?

你想就那个题目给大家谈谈吗？