И-52

НА ИЗНОС работать coll PrepP Invar adv

(to work) to the point of complete exhaustion, giving o.s. fully to the task at hand: (work o.s. ) to death (to a frazzle)

(work) at full stretch.

...Королёв, сам работавший «на полный износ» и рисковавший жизнью, считал риск возможным и необходимым в космонавтике - особенно в той авантюрной космонавтике, в которую был теперь вовлечён силою событий (Владимиров 1). ...Korolyov, who had himself been working at full stretch and risking his own life, recognised the possibility and even the inevitability of risk in space flight, especially in the more adventurous form of space flight into which he had been drawn by force of circumstances (1a).