Some English Idioms

1) "Needless to say" meaning: obvious
Example: It is needless to say that we can't buy a house if we can't even afford a car.

2) "Shape up or ship out" meaning: start behaving or leave
Example: Matt, I have told you eleven times to not throw things in class! Shape up or ship out!

3) "A lemon" meaning: a car or vehicle that has many problems.
Example: The last time I bought a car, I got a lemon. This time when I buy a car I will have a mechanic check it first.

4) "Set in stone" meaning: finalized, already decided
Example: The decision is set in stone, you can't change your mind now.

5) "Don't bite the hand that feeds you." meaning: don't hurt the people who help you
Example: Marsha always helps you clean the house, don't bite the hand that feeds you. You should help her tonight with her school project like she asked.