心头肉

hái zi shì tā de xīn tóu ròu

孩子是他的心头肉。

His children are closest to his heart.

tā shì tā de zhǎng shàng míng zhū tā de xīn tóu ròu

她是他的掌上明珠，他的心头肉。

She was the apple of his eye and wound around his heartstrings.