what's the idea Thành ngữ, tục ngữ
what's the big idea|big idea|idea|what's the idea
informal What is the purpose; what do you have in mind; why did you do that; what are you doing; how dare you.

Often used to question someone or something that is not welcome.
The Smith family painted their house red, white, and blue. What's the big idea? What's the idea of coming in here after I told you not to? I heard you are spreading false rumors about me, what's the big idea?
what's the idea
what's the idea Also,
what's the big idea;
the very idea. What do you think you are doing? What foolishness do you have in mind? For example,
What's the idea of taking the car without permission? or
You've invited yourself along? What's the big idea? or
Take a two-year-old up Mount Washington? The very idea! These phrases, all implying the speaker's disapproval, use
idea in the sense of “what one has in mind.” The first two date from about 1900; the third is heard more in Britain than America.
What's the idea?
A catechism that expresses acrimony or acrimony about what is accident and asks (at atomic rhetorically) for the acumen or action abaft it. Now aloof what's the idea, here? I saw you dancing with some added guy out there! Hey, what's the idea? Why are you cutting my admired dress? What's the idea, advance me like that?what's the idea
Also, what's the big idea; the actual idea. What do you anticipate you are doing? What absurdity do you accept in mind? For example, What's the abstraction of demography the car after permission? or You've arrive yourself along? What's the big idea? or Take a two-year-old up Mount Washington? The actual idea! These phrases, all implying the speaker's disapproval, use idea in the faculty of "what one has in mind." The aboriginal two date from about 1900; the third is heard added in Britain than America. Learn more: idea
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