Charming, adult, fit muscular caucasian man coach posing for a photoshoot in a dark studio, wearing sportswear, showing his muscles with dumbbells 在聚光灯下，一个黑暗的工作室里，一位强壮、健壮、肌肉丰满的高加索男子教练身着灰色运动服，摆出一副开心的样子，摆出一副哑铃，摆出一副一副一副一副高大魁梧的样子