[usually passive] want somebody (+ adv./prep.) to need somebody to be present in the place or for the purpose mentioned She's wanted immediately in the director's office. If you want something, you feel a desire or a need for it. I want a drink.

Understanding the Context

People wanted to know who this talented designer was. They began to want their father to be the same as other daddies. to be without or be deficient in: to want judgment; to want knowledge. to fall short by (a specified amount): The sum collected wants but a few dollars of the desired amount.

Key Insights

To be without; be destitute of; lack: as, to want knowledge or judgment; to want food, clothing, or money. To be deficient in; fall short in; be lack ing in respect of, or to the amount of. Why do you think that He doesn't know him from his schooldays means that he does know him? It would only have that sense if you added something like In fact, he first met him at university. Possibly, "I do know that" can in fact only be used, when, you are answering the question of whether or not you know the issue at hand (or your knowledge has been called in to question, and you are answering that challenge).

Final Thoughts

Let's say "out of the blue" you wanted to state that "you know that" -- and you wanted an emphatic version. "doesn't know" vs "don't know" [duplicate] - English Language & Usage ... MSN: Realty TV Fans Want to Know Who Leaked the Taylor Frankie Paul Video