The phrase "act lost" is correct and usable in written English.
It can be used to describe someone who is behaving as if they are confused or unsure of their surroundings or situation.
Example: "When she entered the crowded room, she seemed to act lost, scanning the faces for someone she recognized."
Alternatives: "appear confused" or "seem disoriented".
Nominated over the objections of moderates, Goldwater, who voted against the Civil Rights Act, lost forty-four stotes to Lyndon Johnson, who took sixty-one per cent of the popular vote, the highest in Presidential-election history.
On the other hand, the administration disagreed with the United States Court of Appeals for the 10th Circuit that this sort of evidence was always admissible when other employees entitled to the protection of the Age Discrimination in Employment Act lost their jobs under similar circumstances in a reduction in force.
His tightwire act lost balance when he decided to cover a Michael Jackson song, but it didn't really matter because his set was over after four songs.
Annaleigh Ashford is honored when friends and fans sum up her new cabaret act, "Lost in the Stars," as "gay magic".
He had been gigging in and around Croydon and Camden with his older brother, Alex, in the rock act Lost Audio (which had a "heavy Maroon 5 sound"), for the decade leading up to his big break.
In the semifinals, Atlético again pulled its magic act, losing the first leg in Argentina to Newell's Old Boys, 2-0, then winning the second leg at home by the identical score and prevailing in another shootout after a tumultuous match.
Our correspondent said that although the prime minister does not constitutionally need the vote to act, losing it would be a "complete catastrophe" politically.
Her book, "To the Fullest," is not just funny but honest and forthright about what she did to, as she puts it, clean up her act, lose 35 pounds and become healthy.
While skiing alone, Betty bumped into Rafe, who acted lost.
Sure enough, well into the second act, I lost a mighty struggle and nodded off.
They are talking about SOPA, the Stop Online Piracy Act, which lost in Congress.
