唏 (xī) — (onomatopoeia/noun) sound of sobbing; sob

Definition

Examples

• 他听到坏消息后，忍不住唏嘘了一声。
  Tā tīng dào huài xiāo xi hòu, rěn bú zhù xī xū le yī shēng.
  After hearing the bad news, he couldn't help letting out a sob.
• 夜深人静，只有她低低的唏嘘声在房间里回荡。
  Yè shēn rén jìng, zhǐ yǒu tā dī dī de xī xū shēng zài fáng jiān lǐ huí dàng.
  In the quiet of the night, only the faint sound of her sobbing echoed in the room.
• 说到伤心处，她发出了一声唏嘘。
  Shuō dào shāng xīn chù, tā fā chū le yī shēng xī xū.
  When she reached the sad part, she let out a sob.

Origin