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

In his first diary, he mentioned, "news is going around about a bad cold virus in Wuhan, but I feel world's away from me and few people wear masks in public."

在他的第一篇日记中，他提到：“关于武汉一种严重的感冒病毒的新闻到处传播，但我觉得世界离我很远，也很少有人在公共场合戴口罩。”

youdao

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

VOA: special.2009.07.28

He thanked people for their "fantastic" support, revealed he had only resumed practising a week ago, and that he has a bad cold.

BBC: What exactly goes on inside Ronnie O'Sullivan's head?