彼の無礼に

at his rudeness

→ 彼
phrase Rare #41,422
at his rudeness Used with reactions or feelings to indicate that his rudeness is the cause or target of the reaction. 無礼 means “rudeness” or “impoliteness.”
JA: 彼の無礼に腹が立った。
EN: I was angry at his rudeness.

彼の無礼にかっとなった

I lost my temper at his rudeness.

彼の無礼に耐えられない

I can't stand his rudeness.

彼の無礼に我慢しかねます

I can't tolerate his rudeness.

彼女は彼の無礼にこれ以上我慢できなかった

She couldn't put up with his rudeness any longer.