impeccable

His manners were impeccable, impressing everyone at the dinner.

彼の礼儀作法は完璧で、ディナーの席で皆を感心させた。

Her academic record was impeccable, earning her a scholarship.

彼女の学業成績は申し分なく、奨学金を獲得した。

The judge found her impeccable in her conduct, dismissing the charges.

裁判官は彼女の行動に非の打ち所がないと判断し、告訴を棄却した。