For some obscure reason , he failed to turn up.
他莫名其妙地没有如期露面。
On the other hand, some obscure Russian unit of length might be involved.
在另一方面，一些模糊的俄罗斯长度单位可能涉及。
Some of these creatures are as remarkable as they are obscure.
其中的一些生物给我们留下了模糊而又深刻的印象。
Some I recognise; others are a bit more obscure.
我认得其中一些，另外的就名气比较小了。
Some parts of his letter are rather obscure.
他的信有些部分晦涩难解。
Some parts of his letter are rather obscure.
他的信有些部分晦涩难解。
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