预定 + Noun
The verb 预定 (yùdìng) means "to schedule in advance," "to reserve," or "to book." It is used when making arrangements for events, appointments, or services ahead of time. For example, 预定活动 means "scheduled activities."
我已经预定了明天晚上的餐厅。
wǒ yǐ jīng yù dìng le míng tiān wǎn shàng de cān tīng.
I've already reserved a restaurant for tomorrow evening.
这场会议预定在下周三举行。
zhè chǎng huì yì yù dìng zài xià zhōu sān jǔ xíng.
This meeting is scheduled to be held next Wednesday.
你预定酒店了吗?旺季不好订。
nǐ yù dìng jiǔ diàn le ma? wàng jì bù hǎo dìng.
Have you booked a hotel? It's hard to get reservations during peak season.