嗐

hài tā zěn me bìng chéng zhè gè yàng zi le

嗐！他怎么病成这个样子了？

Oh dear, how come he is so seriously ill?

hài xiǎng bù dào tā bìng de zhè me zhòng

嗐，想不到他病得这么重。

Oh dear, I didn't know his illness was so severe.

hài zhēn kě xī

嗐，真可惜！

Oh, what a pity!