我为比赛做了充分的准备。

I prepared for the race very well.

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虽然杰克为比赛做了充分的准备，但他仍然怀疑自己获胜的可能性。

Although Jack has made good preparations for the match, he is still sceptical about his chance of winning.

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学生们参加课外俱乐部、夏令营、在线论坛和课程，以及基于大学的“数学圈子”，来为比赛做准备。

Students attend after-school clubs, summer camps, online forums and classes, and university-based "math circles", to prepare for the competitions.

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And in here, there's a very male-dominated theme that you'll see pretty quickly, and what you'll see in this is that this man is being told, and men who watch it, obviously a male-oriented sort of thing that I've seen watching sporting events and the like.

这个广告片,有个明显的男权主题,你们马上就能看到了,你们会看到在这个广告中这个男人在聆听,还有在看的男人,显然这是个以男性为主要目标的广告,我看到了类似运动比赛的元素

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And he was working out really hard and he prepared for it.

为这个比赛，他很勤奋地锻炼，做了精心的准备。

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