幸运的是，他脖子上的伤并不严重。

Happily, his neck injuries were not serious.

《柯林斯英汉双解大词典》

当时伤势似乎并不严重。

The injury didn't seem serious then .

youdao

我伤得并不严重，但我伤到了大腿，不得不一瘸一拐地走路。

I wasn't badly hurt, but I injured my thigh and had to limp.

《柯林斯英汉双解大词典》

We had another recession in 1990-91 and it wasn't very big or bad.

我们在90-91年经历了经济衰退1,但是它并不广泛和严重。

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And it turned out that another, not quite as deadly, but still very serious disease called syphilis was also common in this part of the world at that time.

现在已知另外一种疾病,它并不完全致命但也很严重,它叫梅毒,在那时的一些地方也很常见

耶鲁公开课 - 生物医学工程探索课程节选