Usage of the character 仞
rèn
仞
[仞]
- unit of length used in ancient times, equal to 7 or 8 Chinese feet 尺 (chǐ)
bìlìqiānrèn
壁立千仞
[壁立千仞]
- (idiom) (of a cliff, mountain etc) steep; lofty; imposing