answer

the answer's a lemon: seelemon.

answers on a postcard used to suggest that there is no plausible or reasonable answer to a question.

☞ The phrase originated as a call for responses to a radio competition or quiz; the fact that the answer could be fitted on to a postcard suggests little in-depth analysis is expected.

a dusty answer: seedusty.

know (or have) all the answers be confident in your knowledge of something, typically without justification. informal

not take no for an answer: seeno.