不由分說 [－－－说]

Jyutping bat1 jau4 fan1 syut3
Pinyin bù yóu fēn shuō

Definitions (CC-CEDICT)
  1. to allow no explanation
Definitions (Wiktionary)
  1. phrase, idiomatic
    to allow no expectation; without listening to somebody's protests; despite objections
    (syn.) 不容分說, 不容分说