tell about the incident

He was grateful that she didn't tell his parents about the incident.

他感到庆幸的是她未将此事告诉他父母。

《牛津词典》

"The donkey," he says sternly. Manche is shocked that Sucre would stoop to that level and reminds Sucre that they took an oath to never tell anyone about that incident.

他严肃地说道，“那只驴，”Manche很吃惊sucre竟然做得这么绝，Sucre曾发誓绝不向任何人提起那件事。

At home Anna doesn't tell anyone about the incident with the dead woman.

在家里安娜没有告诉任何人那个死去女人的事情。