Chinese phrase
老师什么时候有空？ lǎo shī shén me shí hòu yǒu kòng
Meaning
When would you be available?
When to use it
Asks when a teacher is available. This polite question is used to find a suitable time for a meeting or conversation.
Example dialogue
我想讨论下学期选课，请问老师什么时候有空？ wǒ xiǎng tǎo lùn xià xué qī xuǎn kè qǐng wèn lǎo shī shén me shí hòu yǒu kòng
I would like to discuss next semester's course choices. When would you be available?
这周五下午一点半到三点有空，可以约这个时间吗？ zhè zhōu wǔ xià wǔ yì diǎn bàn dào sān diǎn yǒu kòng ké yǐ yuē zhè ge shí jiān ma
I am available from 1:30 to 3:00 p.m. this Friday. Could we meet then?