a person's mental picture of how good or bad their physical appearance is, especially when compared with how they think they should look Young girls can struggle with their own body image as a result of seeing perfect photos of celebrities. 看到完美的名人照片，年轻的女孩可能会为自己的身体形象而挣扎。 Social media can promote an unrealistic body image. 社交媒体可以提升不切实际的身体形象。