哈哈儿 hāhār laughing matter Origin Definitions Defs Strokes Stroke Words Sentences Sents 哈 hā reduplication ha-ha onomatopoeia for the sound of laughter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.