I want to see Mr. White. We have an appointment.

我想见怀特先生，我们有一个约会。

youdao

I have an appointment at the doctor's.

我在诊所有个预约。

《柯林斯英汉双解大词典》

What is the latest time I can have an appointment?

最晚的预约时间是几点钟？

《牛津词典》

For example, if you have an appointment at ten o'clock,

例如，假设你在10点有个约会，

I'm sorry 课堂 - SpeakingMax英语口语达人

And now, if you'll excuse me, I have an appointment to keep -- with GarageBand.

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They even have an appointment to lay a wreath on the Tomb of the Unknown Soldier.

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They have an appointment or an event and they forget to put the pills in a pocket or purse.

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