机宜 jīyí guidelines Definitions Defs Origin Strokes Stroke Words Sentences Sents 面授机宜 miànshòujīyí to brief in person (idiom) to personally advise someone on how to handle a specific situation or the best course of action to take坐失机宜 zuòshījīyí to let an opportunity slip by (idiom) to sit back and watch a good opportunity go to waste; to lose a chance through inaction