Idioms starting with I/J/K

English

Keep something in check

To keep something under control so that it does not spread or get worse

Know which side your bread is buttered

To know where you can get an advantage for yourself

Kill or cure

Used to say that what you are going to do will either be very successful or fail completely

Kill two birds with one stone

To achieve two things at the same time with one action

Keep your nose clean

Avoid doing anything wrong or illegal