English Idioms and Expressions 

Idioms: Friends and Friendship-1
from:  'a friend in need'  to: 'with friends like that'

• a friend in need is a friend indeed
  a friend is not known till he is needed.
  • This expression means that someone who helps you when you are in difficulty is a real friend.
    "Mark drove me to hospital when I fell. A friend in need is a friend indeed!"
    
    
• a friend to all is a friend to none
  • To say that a friend to all is a friend to none means that someone who is a friend to everyone makes none of them feel special.
    "Sam is everyone's friend, but, as we all know, a friend to all is a friend to none!"
    
    
• bosom friends
  • Bosom friends are very close friends who have a lot in common and confide in each other.
    "Olivia and Emily have been bosom friends since their childhood."
    
    
• fair-weather friend
  • Someone who acts as a friend when times are good, and is not there when you are in trouble, is called a fair-weather friend.
    "I thought I could count on Bill, but I've discovered he's just a fair-weather friend."
    
    
• friends in high places
  • If you know important or influential people in business or government, you have friends in high places.
    "He wouldn't have succeeded without help from friends in high places."
    
    
• friends in court
  • A friend in court is a person who can help you because of their important position.
    "Jack must have friends in court to have obtained that contract ! "
    
    
• old friends are the best friends
  • This expression means that while it is great to have new friends, old friends stand the test of time and distance.
    "Charlie and I have known each other since we were kids and we can always count on each other. Old friends are the best friends!"
    
    
• friends through thick and thin
  • People who are friends through thick and thin have a longlasting friendship that persists whatever the circumstances may be, good or bad.
    "Hugo and Andy are always ready to defend each other no matter what happens - friends through thick and thin!"
    
    
• a friend's eye is a good mirror
  • This saying means that a real friend will tell you the truth or give you an honest opinion.
    "Why don't you ask your best friend for her opinion? As the saying goes: a friend's eye is a good mirror!"
    
    
• kindred spirit
  • People who have a lot in common and share the same beliefs, attitudes and feelings are kindred spirits.
    "The two classmates immediately felt they were kindred spirits and became close friends."
    
    
• thick as thieves
  • Two people who are as thick as thieves are very close friends who are very loyal to each other.
    "Chris always defends Danny. They're as thick as thieves."
    
    
• the enemy of your enemy is your friend
  • This expression means that a common enemy can be a unifying force.
    "When I saw that a person I disliked also voted against the proposal, I thought of the expression : the enemy of your enemy is your friend! "
    
    
• with friends like that, who needs enemies?
  • This is a humorous statement used when the behavior of a friend is more like that of an enemy.
    "Even my friend Alison voted against me! With friends like that, who needs enemies?"