He had to stop working because of a serious

问题补充：

He had to stop working because of a serious

答案：

He had to stop working because of a serious【disease】

由于疾病严重,他不得不把工作放下

======以下答案可供参考======

供参考答案1:

您的问题很简单。呵呵。百度知道很高兴帮助您解决您提出的问题。

原句：He had to stop working because of a serious

翻译：他不得不停止工作，因为他是一个较真的人

百度知道永远给您最专业的英语翻译。