ruthless behavior的用法和樣例：
例句
- The ruthless enemy killed the old lady.
殘忍的敵人殺害了那位老太太。 - To foreign observers, American capitalism looks ruthless.
對於外國人來說，美國的資本主義看起來是殘忍的。 - William has all the marks of a successful and rather ruthless man.
威廉有可能成為一個成功者，但也可能是一個相當冷酷的人。 - In his early years, Yasser Arafat gained a reputation as a ruthless terrorist.
阿拉法特早年以冷酷的恐怖分子著稱。
