I am very sorry that I didn't attend your birthday party and celebrate the precious moment with you last Sunday because the monthly test was round the corner.

很抱歉，因为月考即将到来，上周日我没能参加你的生日聚会，和你一起庆祝这个珍贵的时刻。

youdao

Sorry, I'll have a piano lesson on Sunday afternoon.

对不起，我星期天下午有钢琴课。

youdao

Mother sorry to say: no, mom so busy every day, Sunday wash!

妈妈抱歉的说：没有，妈妈每天这么忙，星期天洗吧！

youdao

On one particular Sunday I was feeling a bit sorry for myself, and my situation, so I decided to skip the Sunday meeting and instead read a book.

FORBES: Management Advice In Prison