参加宴会的人数较多,我们需要提前预定餐厅。Cānjiā yànhuì de rénshù jiào duō, wǒmen xūyào tíqián yùdìng cāntīng.Since many people are attending the banquet, we need to reserve the restaurant in advance.
我已经预定了两张去北京的火车票。Wǒ yǐjīng yùdìng le liǎng zhāng qù Běijīng de huǒchēpiào.I have already booked two train tickets to Beijing.
周末的酒店很紧张,最好早点儿预定房间。Zhōumò de jiǔdiàn hěn jǐnzhāng, zuìhǎo zǎo diǎnr yùdìng fángjiān.Hotels are hard to get on weekends, so it is best to book a room early.