fickleness of human nature

常见例句

While she always criticized the fickleness of human nature.
她一方面总是批评人的本性朝三暮四。
While she always criticized the fickleness of human nature, she carried on an unrelenting search for the ideal servant to the end of her days.
她一方面总批评人的本性朝三暮四，另一方面她又持之以恒地寻找一个理想的佣人。
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While she always criticized the fickleness of human nature, she carried on an unrelenting search for the ideal servant to the end of her days, even after she had been sadly disillusioned by Bessie.
她称这些佣人叫“流动人口”，因为他们来匆匆，所以我甚至都没有机会知道他们的姓名。
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