剃そり残のこし

noun

missed spot (shaving); unshaven hairs

Refers to hairs or patches left behind after shaving, often used when checking one's face or body.

• 鏡かがみを見みたら、あごに剃そり残のこしがあった。

  When I looked in the mirror, there was a missed spot on my chin.

• 剃そり残のこしがないか、もう一いち度どチェックして。

  Check again to see if there are any unshaven hairs.