ଉଦାହରଣ : This beats me!.
Got me--I don't know the answer!.
A vexing problem.
This question really stuck me.

ସମକକ୍ଷ : amaze, baffle, beat, bewilder, flummox, get, gravel, mystify, nonplus, perplex, pose, puzzle, stick, stupefy, vex