人们往往把挺胸抬头和强烈的自信联系在一起。
People associate perked-up shoulders with strong self-confidence.
腰肋部运动：十指交叉抱于脑后，挺胸抬头，两臂外展。
Waist and rib section exercise: cross ten fingers and put back of the head, chin up and chest out, expand the arms.
我们需要挺胸抬头，尽力去推进自己去学习，在未来付出最好。
We need to keep our heads up and try to push ourselves to learn and give the best for the future.
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