Chinese phrase
要〜多久？ yào 〜 duō jiǔ
Meaning
How long does it take to ___?
When to use it
Asks how long something takes. It is a common, neutral question about the time needed for an action or process.
Example dialogue
这道菜 要 烤 多久？ zhè dào cài yào kǎo duō jiǔ
How long does this dish take to bake?
差不多半个小时就好了。 chà bu duō bàn gè xiǎo shí jiù hǎo le
It should be ready in about half an hour.