私信sīxìnTop 15000Meanings1. private correspondence; personal letter2. (computing) personal message (PM); to message sbCharacters used私personal信letterExamples1Tatoeba：你nǐ收到shōudào了le一yī条tiáo私信sīxìn？那nà你nǐ多半duōbàn是shì摊tān上shàng事shì了le……Tatoeba: Got a PM? You're probably in trouble...