indiscretion

The politician apologized for a youthful indiscretion that had recently come to light in the newspapers.

(Chinese) 这位政治家为报纸最近披露的他年轻时的一件轻率往事表示道歉。

Sharing confidential company data on social media is a serious indiscretion that can lead to firing.

(Chinese) 在社交媒体上分享公司的机密数据是严重的失当行为，可能导致被解雇。