[huāng fèi]
(不耕种) leave uncultivated; lie waste
Not a single mu of land is left uncultivated in our village.
我们村没有一亩荒废的土地。
(浪费; 不利用) fall into disuse; leave completely unattended to
This irrigation canal has fallen into disuse.
这条渠荒废了。
(荒疏) neglect; be out of practice
neglect one's studies
荒废学业