为什么非要

why insist on

→ 为什么

phrase Rare #29,778

why insist on Expresses annoyance or confusion about someone's insistence on doing something; often followed by a verb or phrase with 这样, 这么, or similar.

CH: 你为什么非要现在走？

EN: Why do you insist on leaving now?

你为什么非要这么做？

Why do you insist on doing this?

— 大鱼海棠 (2016)

为什么非要缠着我?

Why do you insist on pestering me?

— 卧虎藏龙 (2000)

为什么非要这样上去

Why do you have to go up like that?

— 分手的决心 (2022)