Большой русско-английский фразеологический словарь
Е18
КТО НИ (НА) ЕСТЬcollNPsubjorobjfixedWO
it is inconsequential who, any person or people who might be involved, regardless of who he or they might be
anyone (anybody) at all
absolutely anyone (anybody)anyone, it doesn't matter whoanyone who is available (who canetc)(only when все or каждый is stated or implied) anyone and everyoneeveryone and his brother (uncleetc).Заприте шкаф с документацией: нельзя, чтобы кто ни на есть приходил и брал то, что ему нужно. Lock the file cabinet: we can't have anyone and everyone coming and taking whatever they need.