He would make an appointment with him to straighten out a couple of things.

他想同他安排一次约会以理清几件事情。

《柯林斯英汉双解大词典》

youdao

I'd like to make an appointment for next Wednesday afternoon.

我想预约下星期三下午。

youdao

He advises students to make an appointment at an American embassy or consulate as soon as they are accepted to a school.

VOA: special.2009.06.11

If their blood pressure is too high, they are advised to make an appointment with their doctor.

VOA: special.2010.12.06

To do that,go to chea.org As soon as you are accepted, make an appointment for a visa interview at an American embassy or consulate.

VOA: special.2009.07.16

Under government security guidance, anyone wishing to see the plans must make an appointment.

BBC: William and Kate: 'Royal house' plan viewers face vetting

"Be formal and make an appointment with your boss, " recommends Tanya Maslach, a San Diego, Calif.

WSJ: How To Resign on Good Terms

Make an appointment with an attorney to prepare a will and durable power of attorney.

FORBES: Creating Your 2013 Goals