在英文中，冒着被感染风险的意思可以用"risking infection"来表达。这个短语的来源可以追溯到古英语，其中"risk"一词的本义是"冒险，担风险"，而"infection"一词指的是"感染"。

下面是一些用"risking infection"表达冒着被感染风险的英文例句，以及它们的中文翻译：

She refused to wear a mask, even though she was risking infection. 她拒绝戴口罩，即使这样冒着被感染的风险。
Many people have continued to attend large gatherings, despite the risk of infection. 尽管有感染风险，但很多人仍然参加大型聚会。
He knew he was risking infection, but he couldn't resist the temptation to go to the crowded beach. 他知道冒着被感染的风险，但他还是忍不住去拥挤的海滩。