不为所知用英语怎么说

小编由分享时间：2025-12-07 17:53:16

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介词填空 He suffers a great loss in business.

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"不为所知"可以用英文表示为"be unknown"或"be unfamiliar." 这个短语最初源于拉丁文 "ignotus," 其中 "ig-" 意思是 "not," "nōsco" 意思是 "to know."
下面是一些例句：
The cause of the fire is unknown. (起火原因不为所知。)
His motives for doing this are unknown to me. (他做这件事的动机对我来说是不为所知的。)
She is unfamiliar with the city's layout. (她对这个城市的布局不熟悉。)
Many people are unfamiliar with the concept of quantum mechanics. (很多人不熟悉量子力学的概念。)
你也可以用 "unfamiliar" 来表示 "不熟悉" 的意思。