rèn
认
jiǎo
脚
rènjiǎo
ㄖㄣˋㄐㄧㄠˇ
認腳
认脚 rènjiǎo [(of shoes) can’t be worn interchangeably] 〈方〉∶指左脚的鞋和右脚的鞋不能调换穿