Expression/Idiom Part 1

Now, I will tell you about some expression

It is about the time
That means it should have happened in prior.
Example :
A : Did you break up with your boyfriend?
B : Well, it is about the time 

• Just piece of cake

That means very easy
Example:
A : What do you think about the last exam?
B : It's just a piece of cake

• Break a leg

It means fighting/spirit
A : I'm about to face my new advisor
B : Wll, don't worry, break a leg!!

• 24/7 = twenty four seven

It means full one week
Example :
I do my homework 24/7
Broke = boke'
It means don't have money
Example :
I'm broke, I can't eat three times a day
Live with water and nuts
It means diet
Example :
I wanna decrease my weight about 10 kg this month. Thus, I live with water and nuts.
Pinch/Penny Pincher
Example :
My mother is penny pincher