窍门儿 qiàoménr knack Definitions Defs Origin Strokes Stroke Words Sentences Sents 窍门 竅門 qiàomén noun knack key to a problem; trick of the trade; an ingenious and simple method for doing something儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.
