Forgive me for…

Forgive me for my being rude that day.

请原谅我那天的无礼。

Forgive me for leaving without telling you.

请原谅我的不辞而别。

Forgive me for being late.

请原谅我来迟了。

例句：

Forgive me for losing your pen.

我把你的笔弄丢了，请原谅。

Forgive me for asking a personal question.

请原谅我问你一个私人问题。