红色英语怎么说呢

"Red" in English is usually translated as "红色" in Chinese.

The word "red" comes from the Old English word "rēad" which refers to the color of blood.

Example sentences in English and their Chinese translations:

The roses are red. (玫瑰是红色的)
She was wearing a red dress. (她穿了一件红色的连衣裙)
The stop sign is red. (停车标志是红色的)