喀喀声

例句：

1. 1. He coughed a few times, feeling a bit uncomfortable.
   他咳嗽了几次，感觉有点不舒服。
2. 2. She laughed heartily at the joke, her eyes sparkling with joy.
   她开心地大笑，眼睛闪烁着快乐的光芒。
3. 3. The old man took deep breaths, trying to calm his racing heart.
   老人深呼吸，试图平静他的快速跳动的心。