Tricky question of China losing grip (6)
I believe the answer is:
teaser
'tricky question' is the definition.
(a teaser is a puzzle or question)
I can't explain the rest of the clue.
Can you help me to learn more?
(Other definitions for teaser that I've seen before include "Easter (anag) - puzzle" , "Conundrum" , "one using a backcomb" , "Hard question" , "One who annoys people or cards wool" .)