You must be a good athlete to have run a mile in such a short time.
あんなに短時間で1マイル走ったなんて、君はすぐれた運動選手に違いない。
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You must be a good athlete to have run a mile in such a short time.
あんなに短時間で1マイル走ったなんて、君はすぐれた運動選手に違いない。