2not have the foggiest (idea)spokenNOT KNOW to not know at all 完全不知道;全然不明白
None of us had the foggiest idea about how to put the tent up.
我们都对搭帐篷一窍不通。
Examples from the Corpus
not have the foggiest (idea)• I don't have the foggiestidea what his address is.• Before I go on, some of you may not have the foggiest what a fanzine is.
3.FORGETif your mind is foggy, you cannot think or remember things clearly 头脑迷糊的;记忆模糊的
Examples from the Corpus
foggy• It was a foggy, chilly day, without sunshine so the sea was murky and opaque.• And look how foggy it was.• He told us to hurry back home after the picture had finished because it might get foggy later.• a damp and foggy morning• The equipment had worked, but there was nothing to see in this foggy, turbulentatmosphere.