怦怦

tā shàng lóu tī shí xīn pēng pēng tiào bù tíng

她上楼梯时，心怦怦跳不停。

Her heart was thumping as she ascended the stairs.

tā gāo xìng de xīn pēng pēng zhí tiào

他高兴地心怦怦直跳。

His heart thumped with delight.