I hope you have a pleasant journey.
祝你旅途愉快!
I wish you success in/with your studies.
祝你取得好成绩!
Give your mother my best wishes!
请向你母亲转达我最良好的祝愿!
All the best in your business!
祝你万事如意!
Every success in your new job!
祝你在新的工作岗位上一切成功!
I hope every thing goes well.
希望你事事顺利。
I hope you have a good time.
希望你过得愉快。
I wish happiness to all our friends!
祝诸位朋友幸福愉快!
I hope things are all right with you!
祝你一切顺利!
Wish you to get well soon.
祝你早日康复。
Have a wonderful time on Mid-Autumn Day.
May you return safe and sound.
祝你平安归来。
May all happiness attend you.
祝你永远幸福。