mystery

n. something that is not fully understood
謎
Who had taken the book? It was a mystery.
誰把書拿走了？這是個謎。
Why he went there is a mystery to me.
他為什么上那兒去對我來說是個謎。

《新視野大學(xué)英語詞匯講解第662期:mystery》永久閱讀地址: http://www.jiazhineng.cn/yingyu/4405/