BREAK SWEAT (OR N. AMER. BREAK A SWEAT)
Meaning of BREAK SWEAT (OR N. AMER. BREAK A SWEAT) in English
break sweat ( or N. Amer. break a sweat)
informal
exert oneself physically.
→ sweat
Concise Oxford English vocab.
Сжатый оксфордский словарь английского языка.
2004