You can always spot the newbies.你一眼就能认出菜鸟。
spot 点,认出 newbie菜鸟,初学者
pointers=tips 提示,忠告
I know how it is. = I know how you feel.
work out 解决,锻炼
triceps 三头肌
biceps 二头肌
ripped 有明显的肌肉线条
physique 体格,体型
cardio 有氧运动
stretch 伸展
pumping iron 重量训练
pull a muscle 肌肉拉伤
lift 举起
ten to fifteen reps in four sets 四组,每组10到15个(大致意思)
Are you looking to develop strength or muscle tone and definition? (这句不知道如何翻译)