hyperventilate
🇺🇸
/ˌhaɪpərˈventɪleɪt/
🇬🇧
/ˌhaɪpəˈventɪleɪt/
Breathe too quickly, usually because you're scared or excited.
When she got on stage, she started to hyperventilate.
當她走上舞台時,她開始過度呼吸。