Hi all (here is my new thinking).

大家好(这是我的一些新的想法)。

youdao

Hi everyone, we all know why we are here today, so let's cut to the chase.

大家好，我们都知道今天为何来此，让我们切入主题吧。

《柯林斯英汉双解大词典》

Hi there, nice to meet you and wish you all the best.

你好，很高兴认识你，希望你一切顺利！

youdao

Student: Thank you Mr. Carl Icahn: Okay, all right Student: Hi, Mr. Icahn. How are you?

学生：谢谢,卡尔·伊坎先生：好的,学生：嗨，伊坎先生，你好？

耶鲁公开课 - 金融市场课程节选

Hi to all the pupils in Brentford School for Girls, we're glad you enjoyed our school report!

BBC: School Report Shout Out Wall

And this is all hi-tech investment with proven multipliers, so the real return is even greater.

BBC: Space ticks the boxes for UK plc

Hi escape from all the stress is taking to the road.

BBC: Programme transcript