A:
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Ace in the hole 1
Ace up (one’s) sleeve 1
Achilles’ heel 1
Acid test 1
Across the board 1
Actions speak louder than words 1
Albatross around (one’s) neck 1
All kidding aside 2, 103
All thumbs 2
All wet 2, 4, 5, 22, 28, 51, 62, 64, 67, 79, 103
Along for the ride, go/come 2
Apple of (one’s) eye 2, 103, 117
Armed to the teeth 2
As the crow flies 2
At loggerheads 2, 104
At (one’s) wits’ end 2, 49
At the drop of a hat 2, 105, 120
At the end of (one’s) rope 3, 35, 36, 49, 104, 118
Ax to grind 3, 104