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〓。