grindstone

n.

磨石；砂轮；持续辛勤地工作；努力不懈

复数：grindstones

1. Our factory produces grindstone.
   我们工厂生产磨刀石。
2. They ground the knife on a grindstone.
   他们在磨刀石上磨刀子。
3. It's a pity I have to get back to the grindstone.
   遗憾的是我不得不回去工作。
4. The teacher believed in hard work and always keep our nose to the grindstone.
   老师提倡勤奋，而且也总是要我们埋头读书。
5. I always admire men, even the dullest, who know their job and put their noses to the grindstone.
   我一向敬重那些有专长且做事勤奋不懈的人，包括那些最没情趣的人。

Grindstone
Grindstone
Grindstone
The Grindstone
Grindstone: A Test Suite for Parallel Performance Tools
Viewpoint: Nodes to the grindstone
Grindstone Flat and Big Flat exclosures: a 41-year record of changes in clearcut aspen communities
Method for manufacturing grindstone corrector and grindstone, and grindstone corrector, and grindstone
Grindstone chemistry: one-pot synthesis of spiro[diindenopyridine-indoline]triones and spiro[acenaphthylene-diindenopyridine]triones
Evolution of a Permo-Triassic sedimentary mélange, Grindstone terrane, east-central Oregon
Permian and Early(?) Triassic Radiolarian Faunas from the Grindstone Terrane, Central Oregon
Berriasian (Early Cretaceous) radiometric ages from the Grindstone Creek Section, Sacramento Valley, California
Heteropolyanion-based sulfated ionic liquid catalyzed formamides synthesis by grindstone chemistry