Having high-quality, expensive equipment for a risky or difficult activity, without any of the requisite knowledge.
take a shot in the dark
To try or guess at something without having any knowledge about the su…
finer things
That which is considered of a high quality, expensive or tasteful.
shoot from the lip
To speak confidently and unhesitantly but without careful forethought …
live a lie
To conceal something about oneself, without the knowledge of which oth…
whistle in the dark
To speak of something despite having little knowledge of it.
behind someone's back
Without somebody's knowledge; secretly.