那是一个机智的想法；那些日子，火柴还不为人所知。
That was a wise thought; matches were hardly known there in that day.
陆地上的大多数动物我们都知道，但水下的许多生物却不为人所知。
Most animals on land are known to us, but many living things underwater are not.
他出生在何时何地还不为人所知。
这家银行被偷去多少钱还不为人所知。
人类癌的起因还不为人所知。
然而，这背后的机制比较的不为人所知。
很多牧师在表达他们的深邃情感方面多不为人所知。
因此看起来，这是一个从前不为人所知现象的表现。
It looks, therefore, like the sign of a previously unknown phenomenon.
一个人去拜访朋友，这个朋友慷慨却并不为人所知。
A man went to visit his friend who was not known for his generosity.
但在帝国崛起之后，荣耀号目前的行踪并不为人所知。
The current whereabouts of the Honor since the rise of the Empire are unknown.
然而，当时GABP在细胞周期中的确切功能并不为人所知。
But the exact function of GABP in the cell cycle wasn't known.
虽然有证据表明自闭症受基因影响，但其遗传模式尚不为人所知。
There is evidence of genetic influence, but no clear pattern of inheritance.
如果“书写”在那个时期并不为人所知，这一切就怎会变得可能？
How is this possible if "writing" was not known in that era?
如果真的出现大量的核泄漏，此时，对于它何时出现还不为人所知。
It is unknown when a large release of radiation would occur, if at all, at this point.
如果真的出现大量的核泄漏，此时，对于它何时出现还不为人所知。
It is unknown when a large release of radiation would occur, if at all, at this point.
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