Everybody has blue days.

每个人都有忧郁的日子。

youdao

When Spring brings back blue days and fair.

当春天带回晴朗的蓝天。

youdao

I love you as the sun loves the bright blue days.

我爱你就像太阳爱照耀明亮的蓝天。

youdao

It's for 3 or 4 days and it's put on by a local businessman who's a blue grass freak,

它会持续3到4天，是当地的一名商人赞助的，他是个热爱蓝草的怪人，

愉快的音乐庆典 - SpeakingMax英语口语达人

When that time comes, it will be blue, blue as all other days are blue, and yet, it will be completely different.

ECONOMIST: New fiction

She takes a look at the factors that move a blue-chip stock these days--in this case, Starbucks--while weaving in the fascinating history of a company that 20 years ago experts would have said couldn't exist.

FORBES: Fact and Comment

When he reported for duty, he rolled up his sleeves, put on a blue shirt and worked for seven days in local Best Buy stores.

FORBES: Best Buy: Is This the Last Public Gasp?