In the US, workers called them "blue Mondays".

在美国，工人们把它们叫做“蓝色星期一”。

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Most boys usually nod sleepily over their books on blue Mondays.

许多孩子在周一就把头放桌书本上睡着了。

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On Mondays he might go to school in blue, on Tuesdays in green, on Wednesdays in brown, on Thursdays in black, and so on, Weekend meal schedules might also be planned in detail.

周一上学他穿蓝色装，周二绿色，周三棕色，周四黑色，等等。周末用餐时间也布置得细致入微。

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Mo Siddique, 42, also ran Blue Mondays night spot in Kirkcaldy High Street.

BBC: Toby Siddique murder trial: Doorman offered cash

The conversation took place in the office of Blue Mondays in the early hours of the morning after the club had shut, said Mr Keillor.

BBC: Toby Siddique murder trial: Doorman offered cash