1
general::
Phrase(s): not take no for an answer
Fig. not to accept someone’s refusal. (A polite way of being insistent.) • Now, you must drop over and see us tomorrow. We won’t take no for an answer. • I had to go to their party. They just wouldn’t take no for an answer.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Not accept a refusal, be persistent in demanding something, as in I want you to show me the statements and I won't take no for an answer. This idiom was first recorded in 1930 in Winston Churchill's My Early Life: "Don't take no for an answer, never submit to failure."
American Heritage Idioms