Serious, adult, fit muscular caucasian man coach posing for a photoshoot in a dark studio, wearing sportswear, showing his muscles with dumbbells 在聚光灯下的黑暗工作室里，一位强壮、健壮、健壮的高加索男子教练身穿灰色运动服，摆出一副一副自信的样子，摆出一副一副哑铃的样子，摆出一副一副一副壮气凌人的样子