长叹 chángtàn to sigh deeply Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 她在床上向后一躺,长叹了一声。 tā zài chuángshang xiànghòu yī tǎng, chángtàn le yīshēng. She sighed as she lay back on the bed. Source: AI Challenger 2017