know a thing or two
see know all the answers.
Does “Bimonthly” Mean Twice A Month Or Every Two Months?Both! Bimonthly can refer to something happening "every two months" or "twice a month." Yep, bimonthly has, fittingly enough, two meanings.
Is There Such A Thing As A True Synonym?Thesauruses present a catalog of synonyms from which we may pick and choose words to put into our writing, but a thesaurus used alone is a very bad thing because there is no such thing as a true synonym. Every word has its particular place in the language.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.