Nantoka/私下sī xiàHSK 7–9私下 (sī xià) is a Chinese word meaning “in private”.Meanings1in privatePart of speechnoun, adverbCharacters in 私下私sī · personal下xià · downRelated words下down一下(after a verb) a bit; a little (indicating brief duration, or softening the tone, or suggesting giving sth a try)下来to come down下去to go down留下to leave behind下面below下面to boil noodles放下to lay down; to put down剩下to remain; to be left over下午afternoon坐下to sit down私人privateStudy Chinese with flashcards →