单词grind on
网络: 无聊乏味地继续着；令人厌烦地长时间持续著
As the weeks grind on, relations between BP and the federal government are fraying.
几星期的时间消磨掉了，而BP和联邦政府之间的关系也越发恶化。
It is applicable to drive grinding wheel to grind on various accessories.
可以驱动磨轮磨光各类零件。
grind on some pepper.
最后磨些胡椒粉洒在上面。