palpitate /ˈpælpɪˌteɪt/ ( palpitating, palpitated, palpitates )

• 1. 

  V-I If someone's heart palpitates, it beats very fast in an irregular way, because they are frightened or anxious. 悸动

  例：

  He felt suddenly faint, and his heart began to palpitate.

  他突然感到晕厥，心脏也开始悸动。

• 2. 

  V-I If something palpitates, it shakes or seems to shake. 抖动 [文学性]

  例：

  She lay on the bed, her eyes closed and her bosom palpitating.

  她躺在床上，双目合拢，胸部颤抖。