https://online2.tingclass.net/lesson/shi0529/0008/8532/p79.mp3
https://image.tingclass.net/statics/js/2012
He withered away from overwork.
他因过劳而日渐憔悴。
wither本指花朵凋谢,wither away指渐渐减弱,要说明因什么而渐渐减若用介词from.
The love between them is withering away.
他们之间的爱日渐减弱。