Nicklaus won by three strokes.是什么意思？

Nicklaus won by three strokes.

Nicklaus以三击获胜.

Nicklaus

例句
Jack Nicklaus has played in every Major Championship since he turned professional in 1961.
杰克·尼克劳斯自从1961年转为职业选手以来参加了四大赛的所有比赛。

won

v. 获胜，战胜（ win的过去式和过去分词 ）；

例句
His abrasive manner has won him an unenviable notoriety...
他生硬粗暴的态度让他声名狼藉。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

three

num. 三，三个，第三（章，页等）；n. 三岁，三个人[东西]，三，三个；adj. 三的，三个的；

例句
Outsiders who wed islanders are given only three years' right of abode at first.
岛外的人和岛民结婚之初只能获得三年的居住权。

strokes

n. 中风，a sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain.，（游泳或划船的）划( stroke的名词复数 )，中风，（打、击等的）一下，（成功的）举动；

例句
Cover each part of the body with long sweeping strokes or circular motions...
对全身每个部位画长弧线轻抚或做圆圈状按摩。