声こえが裏うら返がえる

expression, godan verb (-ru)

crack (voice); squeak

Describes a voice breaking or cracking, often due to emotion, nervousness, or puberty. The verb 裏返る literally means 'to turn inside out', so the image is of the voice flipping or becoming unsteady.

See also: 裏返る (うらがえる)

• 緊きん張ちょうして声こえが裏うら返がえってしまった。

  I was so nervous my voice cracked.

• 彼かれは怒おこると声こえが裏うら返がえる。

  His voice cracks when he gets angry.