以外 yǐwài HSK2 beyond Origin Definitions Defs Strokes Stroke Words Sentences Sents 以 yǐ preposition [positional boundary] (bound form) used before words of location or time to indicate a boundary, such as 以后 yǐhòu or 以上 yǐshàng外 wài locative outside outside; exterior; the space or position beyond a certain limit or boundary