struck就是过去式。v. 罢工打击，撞击（strike 的过去式和过去分词）
adj. 受罢工影响的Only two torpedoes struck home.
只有两枚鱼雷击中目标。
The clock has just struck three.
时钟刚刚敲过三点。
The clock struck the hour.
钟敲过整点了。
The stone struck her on the forehead.
石头击中她的额头。
The clock struck nine.
钟敲了9下。
