Example:
The cheetah was moving so fast across the plain in pursuit of the gazelle that my camera recorded the image as just a blur. 
William Warby
Photo license:
CC: Attribution, Commercial Use
Regionalism:
Neutral
Regional variant:
Neutral
Full Expression:
The “ch” Sound ( /ʧ/ ) : cheetah
a member of the cat family that is to be found in Africa and which is the fastest mammal on earth