at one blow - Bahawder
- at school
- at sea
- at second hand
- at short notice
- at sight
- at sign
- at six o'clock prompt
- at six o'clock sharp
- at sixes and sevens
- at someone's bidding
- at someone's disposal
- at someone's heels
- at stake
- at stated intervals
- at sword's points
- at that
- at that date
- at that rate
- at that time
- at that very instant
- at the back of
- at the back of one's mind
- at the bare mention of
- at the beginning
- at the centre of events
- at the cost of
- at the crack of dawn
- at the crossroads
- at the direction
- at the discretion of
- at the double
- at the drop of a hat
- at the eleventh hour
- at the end of
- at the end of the month
- at the end of the story
- at the expense of
- at the expense of one's life
- at the fag end of a book
- at the farthest