n.砂砾；粗砂石；勇气；决心
vt.覆以砂砾；咬紧牙关
vi.发出刺耳声
Grit is spread on roads to make them less slippery in icy weather. 在结冰的天气，在路上撒上砂砾心免路面太滑。
Because all the gears are enclosed within the hub, road grit can't get inside to abrade the metal parts. 因为所有的齿轮都套在轮毂内，路面上的砂石不会跑进齿轮之间磨损金属部件。
The soldiers showed that they had plenty of grit. 士兵们表现得很有勇气。
Mountaineering in a blizzard needs a lot of grit. 在暴风雪中登山需要极大的勇气和毅力。
I have had a front row seat to his candidacy, and I have seen his strength and determination, his grace and his grit. 对他的候选人资格我有最直观的感受，我见到他的力量与决心，他的优雅风度与勇气。
My answer showed that I had the drive and grit to serve Goldman Sachs faithfully - at least for the length of the two-year dogsbody analyst program. 我的回答显示出，我有忠诚服务于高盛的勇气和决心，至少能在两年辛苦的分析师项目期间如此。
用作及物动词 (vt.)You have to grit your teeth and work hard. 你一定要咬紧牙关，努力工作。
Mr Jones called me incompetent but, as he was the boss, I had to grit my teeth and accept it. 琼斯先生说我无能，不过因为他是我的老板，所以我只得咬紧牙关认了。
