education

Idioms (6)

• trial and error Neutral · CEFR B1
  trying different methods until you find one that works
• take home message Neutral · CEFR B2
  the main point or lesson you should remember from something
• go down that route Neutral · CEFR B2
  to choose a particular method or course of action
• go down the road of Neutral · CEFR B2
  to start following a particular course of action
• hit the books Informal · CEFR B1
  to study hard, especially before an exam
• scratch the surface Neutral · CEFR B2
  To examine or deal with only a small, superficial part of a larger subject.