wither
verb uk/ˈwɪð.ər/ us/ˈwɪð.ɚ/ (also wither away)
[ I or T ]（使）枯萎，（使）干枯
(to cause) to become weak and dry and decay
Grass had withered in the fields. 田里的草都枯萎了。
[ I ]萎缩;逐渐消失
to slowly disappear, lose importance, or become weaker
This country is in danger of allowing its industrial base to wither away. 这个国家正面临着工业基础萎缩的危险。
Idiom
wither on the vineidiom literary （通常指因缺乏帮助或支持而）逐渐消失，渐渐破灭
If something withers on the vine, it is destroyed very gradually, usually because no one does anything to help or support it.
When the new resort was built, the tourist trade in smaller hotels withered on the vine. 随着新度假地的建成，小型旅馆的游客数量大幅萎缩。