皺しわを伸のばす

expression, godan verb (-su)

smooth out wrinkles; straighten out; relax

Literally to smooth out wrinkles from fabric or paper, and figuratively to relax a tense face or mood. Often used in the phrase 眉の皺を伸ばす (to unknit one's brows).

• アイロンでシャツの皺しわを伸のばす。

  I smooth out the wrinkles in the shirt with an iron.

• 彼かれの冗じょう談だんを聞きいて、彼かの女じょは眉まゆの皺しわを伸のばした。

  Hearing his joke, she relaxed her furrowed brow.