Chou Collection, Lower Volume Radical: Big (dà) Kangxi stroke count: 11 Page 252, Entry 20 Pronounced shun (falling tone). Interchangeable with the character for fast (xùn). Refers to the appearance of a bird spreading its feathers and flapping its wings, preparing to take flight. Also, pronounced sui (rising tone). The meaning is the same. It is also used as a variant form of the character for exertion (fèn).