但是伤口不大用英文怎么说

在英语中，"伤口不大"可以翻译成 "the wound is not serious" 或 "the wound is not severe."

这个短语来源于医学术语，用来描述伤口的程度。

下面是一些使用这个短语的例句，并附有中文翻译：

"The doctor said that the wound is not serious and should heal on its own within a few days." (医生说伤口不严重，应该在几天内自愈。)

"I fell and hit my head, but the wound is not severe. It's just a small cut." (我摔倒撞到了头，但伤口不严重。只是一个小割口。)

"The nurse cleaned the wound and determined that it is not serious. She appped a bandage and told me to keep an eye on it." (护士清洗了伤口，并判断它不严重。她贴上了绷带，告诉我要留意。)