n.a contorted facial expression
○ she made a grimace at the prospect
v.contort the face to indicate a certain mental or emotional state
○ He grimaced when he saw the amount of homework he had to do
We usually grimace FOR a very short time as a reaction to pain or annoyance,or to cause laughter.grimace
The latter made a grimace at the two women and gleefully hurried out behind TU Wei-yueh
Thomas make a grimace after he have taste the wine.