The nap of coat is worn off.

这外衣上的绒毛都磨光了。

This feeling had worn off quickly.

这种心情很快就消失了。

The nap of the coat has been worn off.

外衣上的绒毛已经磨掉了。

The nap of the coat has been worn off.

外衣上的绒毛已经被磨掉了。

His infatuation with Mary had now worn off.

他对玛丽的迷恋已渐渐消退。