飼かい犬いぬに手てを噛かまれる

expression, ichidan verb

to be betrayed by a trusted follower

Idiomatic expression literally meaning 'to have one's hand bitten by one's own dog'. Used when someone you trust or have cared for turns against you.

• 長なが年ねん面めん倒どうを見みてきた後こう輩はいに裏うら切ぎられて、まさに飼かい犬いぬに手てを噛かまれる思おもいだ。

  Being betrayed by a junior colleague I had looked after for years, it really feels like being bitten by my own dog.