| anybody who is anybody | | | |
| any given Sunday | | | |
| any more for any more | | | |
| any nook or cranny | | | |
| any old | | | |
| any old nook or cranny | | | |
| any old thing | | | |
| anyone's guess | | | |
| any port in a storm | | | |
| any the wiser | | | |
| anything goes | | | |
| any time now | | | |
| any time soon | | | |
| ape leader | | | |
| apothecary's Latin | | | |
| a pound to a penny | | | |
| appeal from Philip drunk to Philip sober | | | |
| appetite comes with eating | | | |
| apple of someone's eye | | | |
| apple-polish | | | |
| apple polisher | | | |
| apples and oranges | | | |
| apples to apples | | | |
| apples to apples, oranges to oranges | | | |
| apply oneself | | | |
| apron string | | | |
| apron-string hold | | | |
| arch doxy | | | |
| are you deaf | | | |
| are your ears burning | | | |
| arm candy | | | |
| armchair quarterback | | | |
| armpiece | | | |
| arm's length | | | |
| arm to the teeth | | | |
| arm up | | | |
| army volunteer | | | |
| a Roland for an Oliver | | | |
| around Robin Hood's barn | | | |
| around the clock | | | |
| around the corner | | | |
| around the Horn | | | |
| arrive at | | | |
| arrow in the quiver | | | |
| arse end of nowhere | | | |
| arse over tip | | | |
| arse over tit | | | |
| arsy varsy | | | |
| arsy versy | | | |
| artful dodger | | | |
| article of death | | | |
| as all get-out | | | |
| as a rule | | | |
| as a whole | | | |
| as best one can | | | |
| as clever as a cartload of monkeys | | | |
| as ever | | | |
| as ever trod shoe leather | | | |
| as ever trod shoe-leather | | | |
| as far as one is concerned | | | |
| as far as one knows | | | |
| a short drop and a sudden stop | | | |
| as if | | | |
| as if someone owns the place | | | |
| as if there were no tomorrow | | | |
| as in | | | |
| as is | | | |
| as it gets | | | |
| as it happens | | | |
| as I was saying | | | |
| ask after | | | |
| ask around | | | |
| ask for it | | | |
| ask for the moon | | | |
| asking for a friend | | | |
| ask my arse | | | |
| ask round | | | |
| asleep at the switch | | | |
| as long as | | | |
| as luck may have it | | | |
| as luck would have it | | | |
| as of | | | |
| as of late | | | |
| as often as not | | | |
| asphalt jungle | | | |
| assault and battery | | | |
| ass-backwards | | | |
| as soon as | | | |
| ass over teakettle | | | |
| assume room temperature | | | |
| assume the mantle | | | |
| assume the position | | | |
| as the crow flies | | | |
| as the day is long | | | |
| as the gull flies | | | |
| as the next girl | | | |
| as the next guy | | | |
| as the next person | | | |
| as the wind blows | | | |
| as they come | | | |