咚 dōng onomatopoetic Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 重物咚的一声掉进了深水里。 zhòngwù dōng de yī shēng diào jìn le shēnshuǐ lǐ. The heavy object fell into the deep water with a thud. Source: Dong Chinese Dictionary