The phrase "a different act" is correct and usable in written English.
It can be used when referring to an action or deed that is distinct from another one previously mentioned or implied.
Example: "The first performance was captivating, but the second was a different act altogether, showcasing a unique style."
Alternatives: "another action" or "a separate deed".
They had come to see a different act.
In retrospect, Valentine would have been wiser to stage a different act for his Wharton audience.
The audience splits upon arrival, each half seeing a different act first, and after a brief intermission the halves of the audience switch bathrooms.
What a delicious irony that a Europe so sniffy about Turkish justice when it came to Pamuk should end up jailing another writer for three years for delivering his opinion on a different act of genocide.
In David Shannon's best-selling "No, David!" (Scholastic; $14.95), each spread shows a boy his face resembling that of a toothy jack-o'-lantern engaged in a different act of riotous rule-breaking.
In David Shannon's best-selling "No, David!" (Scholastic; $14.95), each spread shows a boy — his face resembling that of a toothy jack-o'-lantern — engaged in a different act of riotous rule-breaking.
But if the same voter were to pull the lever simply because of the candidate's skin color or gender or faith, and without regard to matters of policy, that would, I said, be a quite different act, an act, basically, of tribal loyalty, and it might well deserve the criticism it received.
This weekend, as women voters began to suspect that pulling a lever for Herman Cain involved an entirely different act in an enclosed booth, former Speaker of the House Newt Gingrich leapfrogged Cain and Mitt Romney to take the lead in a poll by Public Policy Polling for the Republican presidential nomination.
"Someone who takes the life of another undertakes a very different act and may well be liable to a charge of murder of manslaughter.
"Someone who takes the life of another undertakes a very different act and may well be liable to a charge of murder or manslaughter.
"People show up and they think they're getting someone doing Liza or Cher, but we're a very different act," he said.
