我根本不认识

I don't know at all

→ 我
phrase Rare #20,590
I don't know at all A strong way to deny knowing or recognizing someone; 根本 emphasizes the denial, and 不认识 means “don't know” or “don't recognize.”
CH: 我根本不认识那个人。
EN: I don't know that person at all.

我根本不认识

I don't know her at all.

— 邮差 (1994)

我根本不认识这个人

I don't know this person at all.

— 警察故事 (1985)

我根本不认识

I don't know him at all.

— 完美陌生人 (2016)

不不我根本不认识

No, no, I don't know him at all.

— 绝美之城 (2013)

我根本不认识

I don't even know you.

— 城市英雄 (1993)

我根本不认识!

I don't even know you!

— 杀手疾风号 (2022)