A fast, irregular heartbeat that you can feel in your chest.
Feeling anxious, she had palpitations and worried about her health.
不安を感じながら、彼女は心臓の鼓動を感じ、自分の健康について心配した。
A muscle that suddenly twitches or contracts without you trying to make it move.
He noticed palpitations in his leg after a long run.
長距離走行の後、彼は足の鼓動を感じた。