zhè shì dìzhǐ
Here's the address
大概要多久?
Approximately how long does it take to travel?
大概 (dàgài) means "approximately," 要 (yào) means "will take," and 多久 (duōjiǔ) means "how long." So it's literally "approximately will take how long?"
大概要多久呢?
dàgài yào duōjiǔ ne?
About how long will it take? — More polite due to the particle '呢'.
要多久?
yào duōjiǔ?
How long will it take? — Shorter and less formal.
大约多久?
dàyuē duōjiǔ?
Approximately how long? — Synonym, more formal.
请问,大概要多久?
Qǐngwèn, dàgài yào duōjiǔ?
Excuse me, about how long will it take?
大约半小时。
Dàyuē bàn xiǎoshí.
About half an hour.
Appropriate
Avoid when
You can say '大概要多久?' (dàgài yào duōjiǔ?), which means 'Approximately how long does it take?'
It is pronounced 'dàgài yào duōjiǔ?' with the tones: dà (4th), gài (4th), yào (4th), duō (1st), jiǔ (3rd).
Use it when asking about the duration of a trip, especially in a taxi or when discussing travel time. It is polite and neutral.
Tomyo
Remember 大概要多久? and hundreds of other phrases with smart reviews, audio and examples.