have one's finger on the pulse(to be familiar with the most recent developments: Whoever designed the new model obviously had their finger on the pulse – it's precisely the sort of computer everyone's been waiting for.Taras)
till one drops(We worked (or We did it) till we dropped (or till we couldn't see straight). We worked like maniacs. Why shall we work till we drop? Taras)
work till one drops(The State Duma discussed the issues of standing orders. Night was falling, but some particularly stubborn deputies demanded that all of them should work till they dropped – Государственная дума обсуждала регламентные вопросы. День клонился к вечеру, но особо упорные депутаты требовали работать до потери пульса Taras)
into oblivion(Rather than letting a government tax you into oblivion while stripping your wage and pension, you can go to countries where the economies are booming, where jobs are plentiful and recession is nothing more than a rumor on the wind rather than a stark reality Taras)