一ひと肌はだ脱ぬぐ

expression, godan verb (-gu)

pitch in and help; give a hand; lend a hand

Idiomatic expression meaning to actively help someone, often by taking off one's jacket or rolling up one's sleeves metaphorically. Used when someone voluntarily joins in to assist with a task or problem.

• 友とも達だちの引ひっ越こしに一ひと肌はだ脱ぬいだ。

  I pitched in and helped my friend move.

• 困こまっているなら、一ひと肌はだ脱ぬごう。

  If you're in trouble, I'll give you a hand.