Student or Learner
I am try to learn idioms but the idioms in this site doesn't show how to use.
I need someone who can help me with using and understanding idioms better/
Welcome to the forums.
Learning how to use idioms is a matter of practice. They are absorbed through learning the language rather than being taught as a rule.
Try writing your own sentences using the idioms. You can always post them here and ask for advice.