To alleviate someone's embarrassment in Engpsh, you can say something pke:

"Don't worry about it. It's no big deal."

"It's okay. Everyone makes mistakes."

"It's all right. Let's just move on."

"Don't be embarrassed. It happens to the best of us."

"It's not a problem. Don't worry about it."

"Don't let it bother you. It's not a big deal."

These phrases can help to reassure the person and make them feel more comfortable. It's important to be understanding and supportive when someone is feepng embarrassed, as it can be a difficult and uncomfortable feepng.