| Idiom | Meaning | Example | 
| at sixes and sevens | 
not in agreement, confused, in a state of confusion, arguing, at loggerheads
 | 
Parents and teachers are at sixes and sevens over sex education.
 | 
| at stake | 
what you could lose or gain
 | 
If you're involved in a crime, your career may be at stake.
 | 
| at the crack of dawn | 
at the first sign of light, at first light
 | 
At the crack of dawn he would    rise, wash and go for a walk.
 | 
| at the drop of a hat | 
without hesitation, quickly
 | 
He'll argue at the drop of a hat. He likes to argue.
 | 
| at the end of my rope/ at the end of my tether | 
losing control of myself, losing patience (see lose patience)
 | 
Babysitting five kids, I was at the end of my rope.
 | 
| at the hands of | 
while competing against, when fighting
 | 
It was at the hands of his former student that he was defeated.
 | 
| at the ripe old age | 
at a very old age;  being unusually old
 | 
He could still play checkers at  the ripe old age of ninety-eight.
 | 
| at the top of her game | 
at her best, playing as well as she can
 | 
If Val's at the top of her game she can defeat Olga.
 | 
| at the top of his voice | 
as loud as he can, shouting loudly
 | 
Ben called for help at the top of his voice. "Help!" he shouted.
 | 
| at the wheel | 
driving a car, steering a car or truck
 | 
Who was at the wheel when the car went off the road?
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