The speaker's opening remarks were humorous.

演讲者的开场白很幽默。

Then, I made a short opening remarks, Hello!

然后，我做了简短的开场白，你好！

First, some opening remarks from Minister Yang.

现在先请杨外长讲几句话。

In opening remarks, you need to come out strong.

在开始的发言中，你需要以强有力的方式说出来。

His opening remarks are applauded by the audience.

他的开场白受到听众的鼓掌欢迎。