Ⅰ. mist “霧”指比fog 薄的“薄霧”，形容詞為：misty. 它還可指：“(眼睛)朦朧”等。如：

　　① The mountain top was covered with mist. 山頂籠罩著霧氣。

　　② She tried to see him through the mist of tears. 她試著透過朦朧的淚眼看他。

　　Ⅱ. fog 指較濃的“濃霧”，其形容詞為：foggy.如：

　　③ The fog was so thick that he had to drive very slowly. 霧太濃了， 他必須慢慢地開車。