completely, totally, fully выполнять до конца – to follow out быть честным до конца – to be perfectly honest до конца ногтей – to the/one's fingertips до конца (своих) дней – to one's dying day конец делу венец – the end crowns the work с концами – разг. that was the end of him у него концы с концами не сходятся – he can barely keep his head above water, he can barely make ends meet (в денежном отношении)
it doesn't add up, there are a lot of loose ends (в рассуждениях)
the accounts do not balance out, it doesn't add up (в вычислениях) он отдал концы – разг. he kicked off, he cashed in (his chips)
completely