Xem thêm: confusing, puzzling, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound, complicate
adj.
sent confusing signals to Iraq
perplexing to someone who knew nothing about it
a puzzling statement
v.
This beats me!
Got me--I don't know the answer!
a vexing problem
This question really stuck me
There was a new development that complicated the matter