Zi Collection, Page Position: Upper, Radical: Stop (zhǐ), Page 94, Entry 01 "Yùn Wèi" (Yùnwèi), "Zhèng Yùn" (Zhèngyùn): Zhǐ rěn qiè, pronounced zhěn (falling tone). Refers to the edge of a riverbank blocked by stones. Also, "Yù Piān" (Yùpiān), "Jí Yùn" (Jíyùn): Zhī rén qiè, pronounced zhēn (level tone). Describes the uneven appearance of stones. Also, "Shí shí" (Shíshí), describes a state of being difficult to reach. "Yáng Zǐ · Tài Xuán Jīng" (Yángzǐ · Tàixuánjīng): "Pulling out stones, the strength is exhausted and it cannot be pulled out."