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癫 (diān) — crazy, insane (formal, medical, or literary)

Definition

Formal, often medical or literary word for 'mentally deranged.' Stronger and more clinical than colloquial 疯.

adjective
crazyinsane (formal, medical, or literary)

Examples

  • 。
    Tā zuì jìn xíng wéi yǒu xiē fēng diān.
    He's been acting a bit crazy lately.
  • 。
    Tā tū rán biàn de hěn fēng diān.
    She suddenly became very crazy.
  • 。
    Tā nǎo zi yǒu diǎn fēng diān le.
    His mind has become a bit deranged.
Appears in
Mental Health

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