It is not to apologize, but just to express that we need the waiter.

这不是要道歉，只是表示我们需要服务员。

youdao

Able to apologize and express regret for situation, when appropriate.

适当时，能够为某种情况道歉或表示遗憾。

youdao

I made a mistake. I apologize to my readers and express my sincere thanks to the critic!

我犯了错，向读者致歉，并向这位批评者表示感谢！

youdao

On the conversation with Karzai, did Karzai ever express condolences for the British soldiers killed, and did he explicitly apologize for American soldiers who were killed?

WHITEHOUSE: Press Briefing