She had scorned him pitilessly.

她无情地鄙视他。

《柯林斯英汉双解大词典》

When we pursue our dreams, we find there seems a wall in front of us which separating the ideal life and real life pitilessly.

当我们不断去追求梦想时，却发现前面如一道墙一样，把梦想与现实无情地隔开来。

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"We are trammeled," said the niece, calmly and pitilessly, "by restrictions of income and opportunity, and above all by lack of initiative."

“我们确实身受束缚，”侄女一点儿面子也不给，只是心平气和地说，“我们受收入和机会的限制，尤其受制于缺乏主动性。”

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Perhaps, optimists might also hope, the British feel a twinge of collective remorse over the short, pitilessly scrutinised life of Prince William's mother, Diana, Princess of Wales.

ECONOMIST: Bagehot