揞住嘴笑 [－－－－]

Jyutping ngam2 zyu6 zeoi2 siu3
Pinyin ǎn zhù zuǐ xiào

Definitions (CC-CANTO)
  1. to cover up one's smile / laugh with their hand
Definitions (Kaifangcidian)
  1. 摀著嘴巴笑 – 捂着嘴巴笑
  2. 摀著嘴偷偷笑 – 捂着嘴偷偷笑