xià shān / shí / tā / bèi / yí kuài / sōng dòng / de / shí tou / bàn le / yí xià / xiǎn xiē / shī jiǎo下山时,她被一块松动的石头绊了一下,险些失脚。While coming down the mountain, she was tripped by a loose stone and nearly lost her footing.