Blue veins stood out on his temples.

他额角上暴起了青筋。

《新英汉大辞典》

youdao

The walls were a washed-out blue colour.

墙壁是一种退了色的蓝色。

《牛津词典》

Lieutenant Commander Scott Murphy leads the crew. "This is the first day we've been out here and we've had blue skies and 10-15 miles of visibility."

VOA: standard.2010.07.05

I was taking my younger child home from a play date on Sunday and he asked me out of the blue, ?" "Why can't you marry your mother or your father?"

周日我带我的小儿子去玩，回家的路上,他突然问我，“你为什么不能和你的父母结婚“

耶鲁公开课 - 心理学导论课程节选

and I kind of want to go somewhere that's just out of the blue that I never even thought of,

我想去意想不到的地方，自己根本没想过的，

为我的生活 - SpeakingMax英语口语达人

Thus, the common idea that the Web is crammed full of videos that become serendipitously popular out of the blue turns out to be something of a fairy tale.

FORBES: Magazine Article

While speaking at a 2009 Prostate Cancer Foundation event, I made a promise to more than 100 of the best prostate cancer researchers of the world: "I will make certain that, in my lifetime, I will get a blue ribbon out there to match every pink ribbon!"

CNN: Dad's death fuels teen's passion to race

Then one day out the blue, this person reaches out to you and asks for your help.

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