Definition
To describe a state where someone's heart, mind, or pulse is beating or working extremely fast, often due to excitement, drugs, illness, or other intense stimuli.
（心臟、腦筋或脈搏）頻繁跳動，速度加快
Upon hearing the news, his heart began to race.
聽到這個消息後，他的心開始狂跳。
Her heart raced at the thought of giving a speech on stage.
一想到要在台上演講，她的心就狂跳不已。
The caffeine made my heart race, and I felt a bit unwell.
咖啡因讓我的心跳加速，我感到有點不舒服。