by a long short：显然；差距很大

e.g. Jimmy was the best swimmer in the race, by a long shot.

吉米显然是这次游泳比赛中最优秀的选手。

e.g. Our team didn't win——no by a long short.

我们的队小负。

e.g. Jack isn't the kind who would be fresh to a teacher, by a long short.

杰克绝对不是那种对老师没有礼貌的人。