Definition
To experience a sudden, rapid, and irregular heartbeat, often due to shock, excitement, or anxiety.
受到震惊
She had palpitations when she found out she had won the grand prize.
当她发现自己赢得大奖时，她感到心跳加速。
He had palpitations when he saw the car suddenly swerve towards him.
当他看到汽车突然转向他时，他感到心跳加速。
He gets palpitations every time before he goes on stage to give a speech.
每次上台演讲前，他都会感到心跳加速。