形容词
1. His face was blue with cold.
他的脸冻得发紫。
2. The sky was bright blue.
天空一片蔚蓝。
3. Cathy felt blue all day.
凯西整天沮丧着。
名词
1. He used to like the blues very much.
他过去非常喜爱布鲁斯乐曲。
2. He was in the blues on account of his failure in business.
他因事业失败而意志消沉。