A cut; a wound caused by a sharp object. It can range from shallow to deep and often requires first aid or disinfection.
包丁で手に切り傷を作ってしまった。すぐに水で洗って消毒した。
I made a cut on my hand with a kitchen knife. I immediately washed it with water and disinfected it.
浅い切り傷なら絆創膏で十分だが、深ければ病院へ行ったほうがいい。
A shallow cut can be treated with a bandage, but if it's deep you should go to the hospital.
子どもが転んで膝に切り傷を作ったので、消毒して軟膏を塗った。
A child fell and got a cut on the knee, so I disinfected it and applied ointment.