The initial idioms of the letter A

at a snail's pace	at a stand
at a stretch	at one stroke
at a time	at a venture
at a word	at about
at all	at all costs
at all events	at all hours
at all hours (of the day and night)	at all times
at an early date	at an end
at an impasse	at anchor
at any cost	at any price
at any rate	at arm's length
at around	at bat
at beck and call	at bottom
in check	at close quarters
at close range	at convenience