focus on the main idea
verb phrase
-
to give most of your attention to the central point or message rather than minor details, especially when reading, listening, or studying
B1focus on + noun/gerund; often used as study or reading advice
- "When you read a story, focus on the main idea first."A2
- "The teacher told us to focus on the main idea instead of every small detail."B1
- "The speaker focused on the main idea and left out unnecessary details."B1
- "In a dense academic article, it helps to focus on the main idea before analysing the evidence."C1
Common mistakes
- focus in the main idea→focus on the main idea
Use “focus on” before the thing you are concentrating on.
- focus on main idea→focus on the main idea
The singular countable noun “idea” normally needs an article here.