He's had a bad cold and isn't fit enough for work yet.

他得了重感冒，还不能上班。

《牛津词典》

He decided Franklin must be suffering from a bad cold.

他断定富兰克林肯定是得了重感冒。

《柯林斯英汉双解大词典》

He had a bad cold.

他得了重感冒。

youdao

He had a bad cold that seemed to last longer than usual.

VOA: special.2009.07.28

So let's imagine we're playing the game again, once again you're going to the movies, once again the first one didn't happen so you didn't for some reason it was cancelled that night because someone had a bad cold or something.

我们再来进行一次这个博弈,假设你们又要一起去看电影,由于种种原因,第一天晚上你们都没有看成,假装因为有一个人感冒了

耶鲁公开课 - 博弈论课程节选

Wet clothes and cold weather are a bad mix.

VOA: special.2009.12.23

"Hotze, " said Golz grinning, making the sound deep in his throat as though hawking with a bad cold.

NPR: Robert Jordan, Hemingway's Bipartisan Hero

Another was an attachment for a tissue box to hold used tissues, a convenience that anyone with a bad cold can appreciate.

WSJ: Book Review: Hedy's Folly

At first it seemed like a bad cold that wouldn't go away.

FORBES: Stealth Killer