(section in progress)
To be in a fog or to be in a haze
Fig. confused, not alert; dazed; not paying attention to what is going on around one
To be lost in the mists of time
Fig. to be forgotten because it happened a long time ago
To mist over or to mist up
Fig. to fog up; to develop a coating of water vapor so that one cannot see
To see the red mist
Fig. to lose temper or self-control completely
Scotch mist
Fig. something hard to find or non-existing; something imagined