Here are some common idioms in English.

• Rise to the occasion
  When you rise to the occasion, you are able to cope with the circumstances.
• See eye to eye
  When you do not see eye to eye with someone, you do not agree with them.
• Fair and square
  If a deal is fair and square, it is just and honest.
• Flog a dead horse
  To flog a dead horse is to waste your time and energy on a cause that will not yield any results.
• Face the music
  To face the music is to face criticism.
• Fan the flame
  To fan the flame is to make a bad situation worse.
• Feather one’s own nest
  To feather your own nest is to make yourself rich in ways that are unfair or dishonest.
• From hand to mouth
  To live from hand to mouth is to live on very little money.
• For good
  If someone leaves a country for good, they leave for ever.
• To fish in troubled waters
  To fish in troubled waters is to take undue advantage of others’ problems.
• The gift of gab
  The gift of gab is the power of speech
• Grope in the dark
  To grope in the dark is to search in vain.
• Grease the palm
  To grease the palm is to give someone money to persuade them to do something for you.
• Gird up one’s loins
  To gird up one’s loins is to prepare oneself for difficult or dangerous actions.