Значение слова "(TO) BE BLUE" найдено в 2 источниках

(TO) BE BLUE

найдено в "Англо-русском универсальном дополнительном практическом словаре И. Мостицкого"

1. посинеть (от холода, удара)

2. грустить, печалиться

He was blue in the face with cold.

I'm feeling rather blue (in the blues) today (= rather miserable, "down in the mouth").

3. получить голубую/синюю спортивную форму; быть выбранным (At Oxford or Cambridge a man who has been chosen to represent his University at football, rowing, cricket, etc., is given his "colours", light blue for Cambridge, dark blue for Oxford).

He got his blue for football.

He spends all his time reading blue books (= Government publications).