But he was not above a little psychological warfare—the odd cough, the innocent remark—to put his rivals off their stroke.

不过他深谙于赛场心理战——怎样用怪声怪调的咳嗽、毫无恶意的话语来让对手犹豫迟疑。

youdao

A stroke that lands above the center of a ball, as in golf or tennis, giving it a forward spin.

上部击球是击在球中心以上的抽球，从而使球向前旋转，这种手法常用在高尔夫或网球中。

youdao

The above articles is telling us the Signs of a Stroke.

上述文章告诉我们冲程的标志。

youdao

But his most controversial stroke is a film which runs continuously on a full-size screen above the stage, with its own characters and action.

ECONOMIST: Contemporary music