Expression

1. It is about the time 
   ( it's means it should have happened in prior)
   ex:
   A = Did you break up with your boy friend?
   B = Well, it is about the time

2. It's a piece of cake
    ( it's means very easy, just a piece of cake)
    ex:
    A = What do you think about economic test?
    B = It's a piece of cake

3. Break a leg!
   (it's means give spirit)
   ex:
   A = I'm about to face my new advisor
   B = Well, don't worry break a leg!

4. 24/7
   (it's means twenty four seven)
   ex:
   I can work 24/7
   I can work overtime

5. Broke
    ex:
    I'm broke, i can buy ths shoes

6. Live with water and nuts
    ex:
    I wanna decrease my weight about 10 kg this month.
    This, i live with wather and nuts.