Don't let your arms relax as that would defeat the object of the exercise.别放松手臂，那样会使这种锻炼失去效果的。It would defeat the object of the exercise if we paid someone to do it for us.花钱找人替我们做练习会有悖于练习的宗旨。In today's session, the object of the exercise is to improve your interpersonal skills.今天课上这部分练习的目的是提高你们的人际交往技巧。