Site icon Learn American English Online




Blue is a color. Blue generally represents peace and tranquility, but sometimes the color blue is used to represent sadness or depression.

  • The sky and large bodies of water look blue when there isn’t a lot of cloud cover.
blue water and sky
  • Blue is a very popular color for a man’s suit.
  • He’s wearing a blue suit.
  • The American flag is red, white, and blue.

The color blue is a primary color (as are yellow and red) that can be used to make other colors.

  • Blue and red make purple.
  +   =  
  • Blue and yellow make green.
  +   =  

There are some expressions that include the word "blue."

  • A person who feels blue feels sad.
  • Anything that happens once in a blue moon happens very infrequently. (It doesn’t happen very often.)

  • A person beaten black and blue has bruises all over his or her body.
  • A situation that comes out of the blue is unexpected.
  • A person who talks a blue streak talks very fast.
  • Men in blue are police officers.
  • A person who remains true blue is faithful and loyal.

Click here for more vocabulary words.

November 5, 2019



Exit mobile version