ADJ. little, slight, small | ugly | rueful, wry | facial
VERB + GRIMACE give, make She made a wry grimace. | twist into His face twisted into a grimace.
GRIMACE + VERB twist sth An ugly grimace twisted her face.
PREP. with a ~ He acknowledged his mistake with a wry grimace. | ~ of a grimace of disgust/pain
ADV. slightly | ruefully, wryly
PREP. at He grimaced slightly at the pain. She grimaced at him. | in She grimaced in disgust.