understand and assess an event or situation only after its implications have become obvious
事后聪明，事后诸葛亮
know no more than before
还是不知道；并不比以前明白
not at all
根本不，决不
[often in imperative](informal)become alert to or aware of something
(非正式)对某物警惕；知情，了解
&B{wise up to} the flavours of North Africa.
了解北非风情。
To make or become aware, informed, or sophisticated.
使知道，知情，谙于世事