好久不见的英语怎么说

你好！好久不见的英语表达可以是 "Long time no see!" 或 "It's been a while!"。这个表达来自于中文的 "好久不见"，是一个常用的问候语，用来表示距离上一次见面已经有一段时间了。
一些英文例句包括：
Hey, long time no see! How have you been?
It's been a while since we last met. What have you been up to?
It's so good to see you again after all this time. How have you been?
希望这些对你有帮助！