擳都唔笑 [－－－－]

Jyutping zit1 dou1 m4 siu3
Pinyin zhì dōu wú xiào

Definitions (粵典–words.hk)
  1. 語句
    冇​幽默感​，​為​人​嚴肅​，​好難​氹​到​佢​笑
    humourless; over-serious; not in the mood for joking; literally: even tickling produces no giggling
  2. 參看
    唧都唔笑