Attend to the lecture, or you will learn nothing.

注意听讲，否则你什么也学不到。

youdao

I have some urgent business to attend to.

我有一些急事要处理。

《牛津词典》

I'm afraid I have some pressing business to attend to.

很抱歉，我有些急事需要处理。

《牛津词典》

But from his office in the White House, he must also attend to his other duties as president of the United States.

VOA: special.2010.05.10

What kind of novel do we see if we attend to those scenes?

在仔细研究这些场景的时候，我们会如何认识这本小说？

耶鲁公开课 - 1945年后的美国小说课程节选

where I can choose the hours I work and be able to attend my daughter's dance recitals

因为当上教授后，我可以选择工作的时间，这样就能参加女儿的独舞表演会了

为什么是会计学呢？ - SpeakingMax英语口语达人

The government has also established a special 24-hour court to attend to femicide cases.

CNN: Impact Your World

Sadly, David has to leave us to attend to his lovely new Bangkok restaurant, nahm (metropolitan.bangkok.como.bz).

BBC: Postcard from Bangkok

Schedule distraction-free periods on your calendar, during which you can fully attend to one task at a time.

CNN: A New Year's resolution for the workplace