磨洗

bì huà jīng shòu le shí jiān de mó xǐ

壁画经受了时间的磨洗。

These frescoes had been worn away over the years.

zhè xiē bēi wén jīng shòu le suì yuè de mó xǐ

这些碑文经受了岁月的磨洗。

The inscription on the stone had been worn away over the years.