Chinese phrase
〜是多久？ 〜 shì duō jiǔ
Meaning
How long does ___ take?
When to use it
Asks how much time something takes. It is a neutral way to ask about the length of a process, wait, or trip.
Example dialogue
从下单到送达是多久？ cóng xià dān dào sòng dá shì duō jiǔ
How long does it take from placing the order to delivery?
通常三十分钟左右。 tōng cháng sān shí fēn zhōng zuǒ yòu
Usually, about 30 minutes.