Chinese phrase
要提前多久预订？ yào tí qián duō jiǔ yù dìng
Meaning
How far ahead should I make a reservation?
When to use it
Asks how far in advance a booking should be made. It is a polite way to ask about the best lead time for a reservation, such as a hotel or ticket.
Example dialogue
暑假准备去巴黎，酒店要提前多久预订？ shǔ jià zhǔn bèi qù bā lí jiǔ diàn yào tí qián duō jiǔ yù dìng
I'm planning a trip to Paris for the summer. How far ahead should I reserve the hotel?
旺季的话最好提前一个月，淡季两周左右也行。 wàng jì de huà zuì hǎo tí qián yí gè yuè dàn jì liǎng zhōu zuǒ yòu yě xíng
A month ahead is best during peak season, while about two weeks is fine during the off-season.