ни разу в жизни

never in one's life

→ ни
phrase Rare #39,003
never in one's life Used with не to emphasize that something has never happened even once during a person's life. The possessive is usually understood from context.
RU: Я ни разу в жизни не пробовал устриц.
EN: I've never tried oysters in my life.

Я ни разу в жизни ничего не украл.

I've never stolen anything in my life.

Ни разу в жизни, да?

Never in your life, right?

— Академия Рашмор (1998)

Он ни разу в жизни не был за границей.

He has never been abroad in his life.

Я ни разу в жизни ничего не нарисовал.

I have never drawn anything in my life.

Ни разу в жизни его не видел.

I've never seen him in my life.

— Вольт (2008)