a ballpark figure → all hat no cattle a ballpark figure: Could you give me a ballpark figure of today’s total sales?
a bitter pill to swallow (a fact that is unpleasant or painful, but must be accepted)
a day late and a dollar short (too late to be useful)
a dime a dozen: Good guitar players are a dime a dozen here, but it’s much harder to find a good singer.
all at sea (confused and not knowing what to do): I’m all at sea with my new job.
bets are off informal (the outcome is uncertain and unpredictable)
all ears informal (listening with full attention): Go ahead with your story; I am all ears.
all hat, no cattle (full of big talks, but cannot back it up)