A severe cold—an illness with strong symptoms such as high fever, bad cough, and pronounced fatigue.
先週、ひどい風邪をひいて三日間寝込んだ。
Last week I caught a bad cold and was bedridden for three days.
子どもがひどい風邪で学校を休んだ。
The child stayed home from school with a bad cold.
夜中に寒気がして、ひどい風邪をひいたようだ。
I felt chills during the night—I seem to have caught a bad cold.