first down的用法和樣例：
例句
- A stir began distinctly in the Saint-Leu quarter, but it did not resemble the movement of the first attack.
騷動很明顯地在聖勒那方開始了，可是這次不象第一次進攻。 - However, although the Waffen-SS divisions fought superbly to repel the numerous British attacks, they were slowly being ground down in a battle of attrition.
但是武裝黨衛隊師作戰頑強，擊退了英軍的數次進攻，他們慢慢陷入了消耗戰之中。
