hyperventilate
🇺🇸
/ˌhaɪpərˈventɪleɪt/
🇬🇧
/ˌhaɪpəˈventɪleɪt/
Breathe too quickly, usually because you're scared or excited.
When she got on stage, she started to hyperventilate.
그녀가 무대에 올라갔을 때, 그녀는 과호흡을 시작했다.