1、U.S. current account deficit continue to worsen, and no letup is in sight.
影響美國經(jīng)常賬戶赤字的潛在因素繼續(xù)惡化，而且看起來沒有中止惡化。

2、Even at the current high level of market share there is no letup in the region's growth.
即使達到了目前的高水平，東亞國家市場份額的上升也沒有出現(xiàn)停頓的跡象。

3、They pressed on without letup until they got to the top of the hill.
他們一鼓作氣爬上山頂。

letup翻譯