Word of the day: Grimace

Grimace:  careta, fazer caretas

Synonyms: a facial expression usually of disgust, disapproval, or pain,  face, frown, lower,moue, mouth, mow, mug, pout, scowl, snoot

“ The patient made a painful grimace as the doctor examined his wound.”

“ He made a grimace when he tasted the medicine.”  (www.merriam-webster.com)

There is little difference between something and something else. There is a fine line between a frown and a grimace. (http://www.phrases.org.uk)