by forty的用法和樣例：
例句
- Put zombies out of their misery by attacking them between swipes.
對它們猛烈地揮擊吧，好讓它們能從自身的苦痛中解脫。 - As he spoke there was the sharp sound of horses'hoofs and grating wheels against the cub, followed by a sharp pull at the bell.
就在他說(shuō)話(huà)的時(shí)候，響起了一陣清脆的馬蹄聲和馬車(chē)輪子摩擦路邊鑲邊石的軋軋聲，接著(zhù)有人猛烈地拉著(zhù)門(mén)鈴。
