The phrase "arms to acknowledge" is not correct and does not convey a clear meaning in written English.
It seems to be an incomplete or misphrased expression, and without additional context, it is difficult to determine its intended use.
Example: "He raised his arms to acknowledge the crowd."
Alternatives: "gesture to recognize" or "extend hands to accept".
Although she started out as a dancer in musical theater, now her stage movements are limited to promenading, swirling the fabric of her dresses or slowly raising her arms to acknowledge applause.
It was the first ball hit into the water outside Pacific Bell Park, and it touched off a celebration among the 40,930 fans, who stood and screamed until Bonds popped from the dugout, waving his arms to acknowledge the cheers.
After a delay of several minutes, he was wheeled out on a stretcher and raised one arm to acknowledge the loud ovation he received from the crowd.
The normally phlegmatic Swiss raised his left arm high to acknowledge the applause.
He did not let down against Michigan State, extending his arm in a salute to acknowledge the Tennessee fans and celebrate two first-half alley-oop dunks.
Dwight Eisenhower at political rallies liked to raise his arms in a larger V to acknowledge the adulation of crowds.
He flashed a few grins to acknowledge the jeers and held his arms aloft in celebration after each round, although he only edged them.
Even armed with the facts however, some teens will fail to acknowledge the reality.
Yet, officials who support providing U.S. arms to the rebels acknowledge that this has not greatly increased U.S. expectations of victory by anti-Assad forces, whether moderate or militant.
The motion he made with his right arm was not unlike the half wave that players muster to acknowledge the cheers and support of fans.
At their legs, arms — anywhere, it would seem, but in their eyes, where he'd have to acknowledge their individuality.
