research

Idioms (3)

• go down a rabbit hole Informal · CEFR B2
  to get lost in a long, winding, often pointless digression while researching or building something
• deep dive Neutral · CEFR B2
  a thorough, detailed examination of a topic, problem, or dataset
• test the waters Neutral · CEFR B1
  to try something cautiously before committing fully to it