Psychologists still grind away (sometimes at each other) at explaining what genius is, and where it comes from.

心理学家仍然在努力解释什么是天才，天才从何而来，有时候，他们还会为此争论不休。

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Vacation. Getting away for the weekend provides a great respite from the grind of an intense week at work.

度假。周末外出度假可以给一周紧张的工作提供很好的喘息时间。

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This was displayed in back-to-back league games when Giggs tore apart a Bolton side that hadn't conceded at home and then used all his experience to help United grind out a 1-0 win away at Blackburn.

在本赛季违靠违的比赛中吉格斯并无像人们想的那样得到休息，在迎战博尔顿之后就马不断蹄的用自己的经验帮忙球队1-0击败布莱克本。

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You have to get up early each day and grind away at it if you want consistent results.

FORBES: One ratio does not fit all

He and Michael Hussey took the score along to 74-2 at tea, a lead of 144, and continued to grind away until an eventful Harbhajan over 40 minutes into the final session transformed the match.

BBC: Australian pair dent Indian hopes