wear away
phrasal verbwear away | wear something away
- to become, or make something become, gradually thinner or smoother through continuous use or rubbing
（因重复使用或磨擦而）变薄，变光滑；使变薄；使变光滑 - The inscription on the coin had worn away.
铸在这枚硬币上的文字已磨平了。 - The steps had been worn away by the feet of thousands of pilgrims.
成千上万的朝圣者把台阶踏得磨损了。
- The inscription on the coin had worn away.