The phrase "aghast with" is not commonly used in written English; the more standard expression is "aghast at." You can use it when expressing shock or horror at something, typically in response to an unexpected or disturbing situation.
Example: "She was aghast at the news of the accident."
Alternatives: "shocked by" or "appalled at."
"Hopefully, the family is aghast with pleasure," she said.
"I get absolutely aghast with how materialistic we have become, especially at Christmas".
A few streets away, meanwhile, it's the Beckhams who have had neighbours aghast with their Ceausescu-level upgrade.
Members of Hong Kong's legal community are also aghast, with many viewing Beijing's actions as a severe blow to the former colony's judiciary.
Since July 2nd they have been battering down the ancient entrance with picks and shovels to "destroy its mystery" as part of a city-wide programme of cultural vandalism inspired by religious zeal that has left inhabitants aghast with horror.
Indeed, he looks aghast with gratitude merely at being invited to make out with Pegeen, and more resigned than angered when she replaces him, and the batteries of his failing lust, with a vibrator.
"What?", came the aghast reply, "With country clothes?!".
Instead, Dillon was aghast, stiffened with something unredeemable, and he clutched at Newton as if he, not she, had been trapped inside the fire.
Honoured at the 1992 Brit Awards, they busked a live thrash-metal version of their biggest hit and then sprayed the aghast audience with machine-gun blanks.
"Well, I have 20 years before I get to that point," Mr. Trotter said, aghast, when presented with this scenario.
When the Sheila character proposes to her friend Margaux, a painter, that she record their conversations, Margaux is aghast: "You there with that tape recorder is the scariest thing!" she says.
