凭什么...啊

(那是我的事) ── Previous context

“What gives you the right to decide for me on your own?”

(那是你俩的事) ── Previous context

“What gives you the right to ask Principal Chen for it?”

(她一个小小的楼层领班) ── Previous context

“How could she be a lobby manager?”

(海明哥哥送我的手机吗) ── Previous context

“Who do you think you are to get a phone from Haiming?”

(我不会让这样的事情发生的) ── Previous context

“How can you say that?”

(主任) ── Previous context

“Wait, on what grounds can't I apply?”

(你干吗？) ── Previous context

“[Ta-fu] Who gave you the right to say that nonsense?”