He duffed the golf ball because the club stroke the ground behind the ball before hitting it.
因为击球前球杆触了球后面的地，所以他未击中高尔夫球。
2
When Tan died, an autopsy revealed that a portion of his left frontal lobe about the size of a golf ball had been liquefied by a massive stroke years before.
当Tan去世之后，尸体剖检揭示了他大脑左侧额叶的高尔夫球大小的一部分多年前就因大面积中风被溶解了。
3
An advantage allowed an inferior player in certain games, such as a free point in tennis, an extra turn in croquet, or an additional stroke in golf.