My friends asked me to go to a party, but I was feeling too blue to go.

我的朋友邀请我去参加晚会，可我心情不好不想去。

youdao

The first song, "Blue Moon," didn't go too badly except that everyone talked throughout.

第一首歌《蓝月亮》效果还不算太差，只是所有的人自始至终都在说话。

《柯林斯英汉双解大词典》

Like Picasso, she too had a blue period.

和毕加索一样，她也有过一段消沉时期。

《牛津词典》

But even at this stage it feels a little too blue-sky for the very earthbound arena of global logistics.

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There is also an "underwater" setting to control the tendency of underwater photos to come out looking too blue.

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So that brings me back to the word data-science, which by the way it sounds, sounds academic and all too blue track to me.

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