It's reported that nowhere is drug abuse more of a problem than in the US. 的意思是“據報道，在美國吸毒問題比其他任何地方都嚴重。”或“據報道，吸毒問題在美國是最嚴重的。”　　

此句如果不倒裝，可以寫成：It's reported that drug abuse is nowhere more of a problem than in the US. 但這類句子通常以倒裝句形式出現，又如：　　

Nowhere is the effect of government policy more apparent than in agriculture. 政府的政策對農業的影響最為顯著。　　

more of a 可用于單數可數名詞前，指明某物具有某種更大或更重要的特性，通常與than搭配使用，根據情況可譯為“比……更”“比……還”“不是……反而”“與其說……不如說”等。如：　　

He’s more of a fool than I thought. 他比我想像的還要蠢。

She is more of a mother than a wife. 她是賢妻，更是良母。

He is more of a poet than a dramatist. 他是劇作家，但在更大程度上是詩人。

It was more of a meeting than a party. 與其說是一個聚會，不如說是一次會議。

The servants were more of a hindrance than a help. 這些傭人幫不上忙反而是累贅。