also: びそく
noun
nasal breathing; breath from the nose
Literal sense: the act of breathing through the nose, or the breath itself. Used in medical, descriptive, or figurative contexts.
風邪で鼻が詰まって、鼻息が荒くなった。
My nose was stuffed from a cold, and my nasal breathing became heavy.
彼の鼻息が首筋にかかってくすぐったかっ
His breath from his nose tickled the back of my neck.
noun
excitement; enthusiasm; eagerness
Only with reading はないき
Figurative use, often in the phrase 鼻息が荒い, describing someone who is fired up, aggressive, or overly eager. Restricted to the reading はないき.
新入社員は鼻息が荒くて、先輩たちを驚かせた。
The new employee was so fired up that he surprised his seniors.
選挙前はどの候補者も鼻息が荒い。
Before the election, every candidate is full of fighting spirit.