估堆儿 gūduīr to appraise a lot Definitions Defs Origin Strokes Stroke Words Sentences Sents 估 gū verb to estimate to estimate; to appraise; to guess堆 duī noun pile a heap or stack of things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.