white night - ночь без сна
• He was hardly able to work after a few white nights.
look blue - иметь унылый вид
• Do you know why he looks blue?
to sail under false colours - обманывать, лицемерить
• Although he assured us of his support but he actually sailed under false colours.
once in a blue moon - очень редко
• Once in a blue moon we decided to go on vacation abroad but his leave was cancelled.
out of the blue - совершенно неожиданно, как гром среди ясного неба
• He lost his job out of the blue.
to look through blue glasses - смотреть мрачно, пессимистически
• Her mother looked through blue glasses at her career.
green hand - новичок, неопытный человек
• It is not a job to be handled by a green hand.
catch (someone) red-handed - поймать (кого-то) с поличным
• The children were caught red-handed in the garden trying to steal apples.
white elephant - бесполезное приобретение
• The new bookkeeping program was a white elephant and nobody wanted to us.
