Stumble

失足

shīzú

(a fall or trip)

過失 /过失

guòshī

(an error or blunder)

犯錯 /犯错

fàncuò

(to make a mistake or have trouble)

絆倒 /绊倒

bàndǎo

(to trip or fall)

蹣跚而行 /蹒跚而行

(to walk clumsily)