得了感冒的英语表达是 "to have a cold"。这个表达来自于感冒是一种常见的呼吸道疾病，通常会导致流鼻涕、咳嗽、鼻塞和其他症状。下面是一些例句：

I think I have a cold. 我想我得了感冒。

She has been suffering from a cold for a week. 她得了感冒已经一个星期了。

He caught a cold after being out in the rain. 他在雨中待了一会儿后得了感冒。