憑什麼
凭什么
píngshénme
- (spoken) why?
- for which reason?
for what reason; what makes you think (you can do something); on what grounds; on what authority; who are they (to do something)
Examples
我憑什麼需要幫她們?
Why do I have to help them?
Source: Tatoeba
我凭什么花时间做这事?
Why should I take the time to do that?
Source: Tatoeba