Those societies that have attempted to reshape human nature have been noted for their ruthlessness.(那些嘗試過重塑人類天性的社會都由于殘酷無情而備受關注。)

There can be no appeasement with ruthlessness.(對殘暴行為是不能姑息的。)

By not answering our landlines, we bring a little of that ruthlessness into our home lives.(拒接電話給我們的家庭生活帶入了一絲冷酷的色彩。)

He would treat his servants, his own children and even my grandpa alike with meanness and indifference, not to say with ruthlessness.(他對待仆人，對待自己的兒女，以及對待我的祖父都是同樣的吝嗇而疏遠，甚至于無情。)

Public space sends ruthlessness packing.(公共空間將無情打包；)

By ruling with utter ruthlessness, he kept the peace in Syria for three decades.(通過嚴厲無情的統治，他讓這個國家保持了三十年的和平。)

Does ruthlessness help us get ahead in a cutthroat world?(冷酷無情能幫助我們在這個殘酷的世界出人頭地嗎？)

Oh, yes, he had a streak of ruthlessness that rivaled Peter's, but he had the decency to be appalled by his own brutality.(哦，是的，他有著可與彼得抗爭的冷酷無情的氣息，但是他正派得會為自己的殘忍而駭怕。)

Ruthlessness is the kindness of the wise.(冷酷是智者的仁慈。)

The "fittest" are those who can bring to the struggle superior force, superior cunning, and superior ruthlessness.(“適者”指的就是那些在競爭中更強有力，更狡猾，更冷酷無情之人。)