coarsen

Her hair gradually coarsened as she grew older.

随着年龄的增长，她的头发逐渐变粗糙了。

牛津词典

His features had been coarsened by the weather.

气候使他的容貌变得粗糙。

牛津词典

The six long years in prison had coarsened him.

六年漫长的监狱生活使他变得粗鲁无礼。

牛津词典

Skin thickens, dries and coarsens after sun exposure.

晒后皮肤会变厚、变干、变粗糙。

...his gnarled, coarsened features.

他那饱经风霜、粗糙的脸

Her voice has deepened and coarsened with the years...

随着岁月的流逝，她的声音变得低沉粗鲁起来。

He had coarsened his voice to an approximation of Cockney.

他让自己的口音变得粗俗起来，接近伦敦东区的发音。