The initial idioms of the letter A

a drowning man will clutch at a straw	a dumb priest never got a parish
a dry run	dumpster fire
dust bunny	a Dutch treat
a dwarf standing on the shoulders of giants	face only a mother could love
face (that) would stop a clock	a fact of life
a fag hag	a fair crack at something
a fair shake	a blue-eyed boy
fair-weather friend	a fair-weather friend
a fairy godmother	a fait accompli
a fall guy	a fallen angel
a fallen idol	a fallen woman
a falling out	a false alarm
a false dawn	a false economy
lull into	a false start
a family man	a far cry from