有一頓，沒一頓 [－－顿－没－顿]

Jyutping jau5 jat1 deon6 ， mut6 jat1 deon6
Pinyin yǒu yī dùn ， méi yī dùn

Definitions (Wiktionary)
  1. phrase, idiomatic
    describes when someone cannot eat on a regular basis