頑鈍 [顽钝]

Jyutping waan4 deon6
Pinyin wán dùn

Definitions (CC-CEDICT)
  1. blunt (instrument)
  2. stupid
  3. thick-headed
Definitions (Wiktionary)
  1. adj
    blunt
  2. adj
    dull and obtuse; stupid; thickheaded
  3. adj
    lacking moral courage
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）