To see my body literally wither away before my eyes was exasperating.

眼看着自己的身体日渐虚弱真是让人心烦。

When he went into retirement, he visibly withered.

到了退休年龄时，他明显变得虚弱了。

The flowers in Isabel's room had withered.

伊莎贝尔房间里的花朵已经枯萎了。