a.

1. 有霧的；多霧的
   That was a foggy morning.

   那是個有霧的早晨。

2. 模糊的；朦朧的
   I haven't the foggiest idea of how to solve this problem.

   我一點都不知道該怎樣解決這一難題。

adj.

1. full of or accompanied by fog.
2. confused.