Chinese phrase
还要〜多久？ hái yào 〜 duō jiǔ
Meaning
How much longer do we have to ___?
When to use it
Asks how much longer something will take. It is often used to ask about waiting time or a delay, with a neutral, polite tone.
Example dialogue
前面还有一组，你知道还要等多久？ qián miàn hái yǒu yì zǔ nǐ zhī dào hái yào děng duō jiǔ
There is still one group ahead of us. Do you know how much longer we have to wait?
应该五分钟左右吧。 yīng gāi wǔ fēn zhōng zuǒ yòu ba
Probably about five minutes.