你的同学上个星期六的晚上参加同学的生日聚会，因为没有按时回家，父母很生气，于是发生争执，为此很烦恼

dear xiaoying
i'm sorry to hear that you quarreled with you parents for that you did not come home in time .i know that you were joined your classmates' birthday party that time. it doesn't matter.don't be upset.i suggest you apologize to your parrents.may they were impetuous about it.after all,they love you so deeply .and all of what they have done are aim to making you growing better .they were worried about you safty.in my oppoin ,i think you should communicate with them and open your heart.it maybe the best way to solve the problem.put your foot on their shoes,and they will forgive you.
may everything smoothly for you.
best wishes.
your sincerely