Improve your English skills even more?

Improving your golf!

in a fog

confused, unaware

in a pickle

in a difficult situation

in a rut

unable to make progress, stuck in the same job, lifestyle etc

in at the deep end

start something from a difficult stand-point

in clover

in clover - in a very happy state or situation because you are financially secure

in dead of winter

in deep water

in deep water - to be in difficulty beyond your level of ability

in denial

in denial - to refuse to believe or admit that something has happened