西 [---]

Jyutping bat1 si6 dung1 sai1
Pinyin bù shì dōng xi

Definitions (CC-CEDICT)
  1. (derog.) to be a good-for-nothing
  2. worthless nobody
  3. no-good
Definitions (Wiktionary)
  1. verb, colloquial, derogatory, idiomatic, slang
    to be a contemptible person; to be worthless
    (syn.) 𫧃箍躄, 𣍐箍躄, 𫧃躄, 𣍐躄