1 [C] one of the movements that you make when you are writing or painting 一笔；一画: a brush stroke 毛笔的一笔

2 [C] one of the movements that you make when you are swimming, rowing, playing golf, etc （游泳、划船等的）一次划水；（高尔夫球等的）一次击球: Woods won by three strokes (= hits of the ball in golf). 伍兹以三杆的优势取胜。

3 [C,U] (used in compounds 用于构成复合词) one of the styles of swimming 游泳姿势；游法: I can do backstroke and breaststroke, but not front crawl. 我会仰泳和蛙泳，但不会自由泳。 ☞Look at crawl. 参看crawl。

4 [C] a sudden illness which attacks the brain and can leave a person unable to move part of his/her body, speak clearly, etc 中风: to have a stroke 中风

5 [sing] a stroke of sth a sudden successful action or event 突如其来的成功行动或事件: It was a stroke of luck finding your ring on the beach, wasn't it? 居然在海滩上找到了你的戒指，真是运气，对吗？