相見恨晚 [ㄒㄧㄤ ㄐㄧㄢˋ ㄏㄣˋ ㄨㄢˇ; xiang1 jian4 hen4 wan3] to regret not having met earlier (idiom); It is nice to meet you finally. It feels like we have known each other all along. ◄ ►