full of or accompanied by fog
雾茫茫的;有雾的
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a dark and foggy night. 黑暗的雾夜。
unable to think clearly; confused
头脑不清醒的;迷糊的
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she was foggy with sleep. 她睡得迷迷糊糊的。
indistinctly expressed or perceived; obscure
模糊的,朦胧的
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exactly what the company hopes to achieve is still foggy. 公司究竟希望得到什么仍不清楚。
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not have the foggiest idea (或notion )informal, chiefly Brit. have no idea at all 〈非正式,主英〉 完全不知道,一点也不知道
"late 15th cent.: perhaps from