多久 duō jiǔ (of time) how long?(not) a long time Example sentences 从你家到博物馆坐地铁要多久? cóng nǐ jiā dào bówùguǎn zuò dìtiě yào duōjiǔ? How long does it take from your house to the museum by subway? 请问从超市到邮局要多久? qǐngwèn cóng chāoshì dào yóujú yào duōjiǔ? How long does it take to get from the supermarket to the post office?