如果伤口不严重，可以用英文表示为"minor wound"或"minor injury"。

"Minor"是英文中表示"轻微的、不重要的"的形容词，"wound"和"injury"都可以用来指代人或动物身体上的伤口或受伤处。

来源：

"Minor"和"wound"都是英文中常用的单词，它们都来源于拉丁文。"Minor"来源于拉丁文的"minor"，意思是"较小的、较年幼的"，而"wound"来源于拉丁文的"vulnus"，意思是"伤口"。

一些英文例句及其中文翻译：

"She sustained a minor wound on her leg while hiking." (她在徒步旅行时腿上受了轻伤。)
"The doctor said it was just a minor injury and prescribed some pain medication." (医生说这只是一个轻伤，并开了些止痛药。)
"He received a minor wound from a fight with another cat." (他因与另一只猫打架而受了轻伤。)
"The accident resulted in minor injuries for both drivers." (事故导致两位司机都受了轻伤。)