clench one's teeth, especially when faced with something unpleasant.
↘resolve to do something difficult.
→ grit
GRIT ONE'S TEETH
Meaning of GRIT ONE'S TEETH in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004
clench one's teeth, especially when faced with something unpleasant.
↘resolve to do something difficult.
→ grit
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004