The fields lay fallow.

这些地休耕了。

《柯林斯英汉双解大词典》

And so Jama Khan's land lay fallow for 30 years after his death, his family squabbling over his inheritance all the while.

所以，在贾马汗死后，他的土地休耕了30年，他的家人一直在他的继承权上争论不休。

youdao

A survey by the World Bank showed that in the Amhara region of Ethiopia, only 16 of 46 projects were working as intended (the rest lay fallow or had been rented back to smallholders).

一项由世界银行的调查显示，在埃塞俄比亚的阿姆·哈拉地区，46个项目中只有16个按照预定的计划在进行(其余的土地进行休耕或者是被小农又租回去)。

youdao

For a decade, it lay fallow as officials tussled over its fate.

WSJ: In Taipei, Taiwan, Life in the Slow Lane