- "They have different ideas on growth"
- "Studies cast doubt on idea of life on Mars"
- "he has an idea that we don't like him"
- "a rough idea how long it would take"
- "The idea of communism is as eternal as religion."
- "I got the idea of doing a short film about her"
- "the idea of the game is to capture all the pieces"
- "It may be a good idea to hire a car"
- "You have a fixed idea!"
- "I got an idea of writing a diary"
- "I developed an idea for a cartoon about a cat"
- "He came upon an idea"
- "This may not be a good idea"
- "You can pick up a lot of ideas there"
- "I had an idea yesterday"
- "They have not the slightest idea what is meant by the word God."
- "He has no idea of what he meant and still means to me."
- "I had no idea that you need five years of experience to get a the work"
- "I didn't have any idea of how to upgrade the program"
- "Is this a sudden idea?"
the content of cognition; the main thing you are thinking about
- "it was not a good idea"