We are loyal readers of your newspaper and we ask you to raise your voice in defence of our community against the unscrupulous sharks of big business.

unscrupulous 由前缀 un-（表示"不"）和 scrupulous（"谨慎的、有道德顾虑的"）组成。scrupulous 源自拉丁语 scrupulus（"小石子"），引申为"良心上的不安"。 unscrupulous 字面意思是"没有道德顾虑的"，形容人做事"毫无顾忌、不择手段"，通常带有贬义。 在商业语境中，"unscrupulous sharks"比喻那些像鲨鱼一样贪婪且不择手段的商人。