tā / zài / bù / píng / zhěng / de / lù / shàng / zǒu / bù / xiǎo / xīn / cǎi / shī / jiǎo / shuāi / dǎo / le他在不平整的路上走,不小心踩失脚摔倒了。He was walking on an uneven road and accidentally lost his footing and fell.