the whys and (the) wherefores

the reasons for something.

I know very little about the whys and the wherefores of the situation.

• cut your teeth in something
• damned if do and damned if don't
• damned if do and damned if you don't
• damned if you do and damned if don't
• damned if you do and damned if you don't
• damn it
• damn someone with faint praise
• damn something with faint praise
• damn with faint praise
• damp squib
• dance to someone's tune
• dance to tune
• dance up a storm
• darkest hour is just before the dawn.
• dark horse
• dark-horse
• Davy Jones's locker
• dawn on
• dawn on you
• day after day
• day and night
• day by day
• day in, day out
• day late and a dollar short
• daylight robbery