Hope you're having a great day!
希望你今天过得愉快！
Hope it doesn't rain tomorrow.
希望明天不要下雨。
Hope to hear from you soon.
希望能尽快收到你的回信。
Hope everything works out for you.
希望一切都能顺利解决。
Hope this email finds you well.
愿此邮件送达时你一切安好。（常用于正式邮件开头）
Hope we can meet up next week.
希望我们下周能见个面。