There was a faint thrumming all around, as if the air were being strung and practiced for an overture.
四周有细碎的敲打声，仿佛空气是被绷紧的琴弦，随时为即将发生的事奏响序曲。In the beginning we thought that on the wrong car, and like clockwork, like the heart of the tension.
一开始我们以为上错车了，心像发条一样绷紧了。You stand all day long. So your back can hurt. When you're standing straight up, your lower back is going to get a strain.
你整天都站着。所以你的背会很疼。当你站直时，你的后背下部会开始绷紧。Although she was deeply saddened by the death of her son, she had a stiff upper lip at the funeral.
虽然她因丧子而悲恸万分，但是她在葬礼上（绷紧上唇）尽量不露哀伤。Without lifting your heel up in the air, tighten your quadriceps muscle as hard as you can for ten seconds.
向上举起你的脚后跟，绷紧你的四头肌肌肉坚持10秒。Stiffen your muscles, grab a telephone book, and begin to call out the names alphabetically in a stern, low tone in front of him.
绷紧你的肌肉，抓住电话簿里，并开始大声叫你的名字按字母顺序在斯特恩，低音调在他的面前。Simply knowing it's there can reduce stress, since you know you're not walking a fine line2 between comfort and catastrophe.
知道自己有这么一笔钱可以减轻你们的压力，因为这样一来你们就不用在安逸与灾难间绷紧神经生怕任何差错了。With your leg stretched out in front of you and the knee supported, make an imaginary line from the heel to the ground.
将你的腿前向伸展，膝盖绷紧，作一条从脚后跟到地面的垂线。The muscles in her back tightened, pulling down from her spine and causing her back to arc slightly.
她后背上的肌肉绷紧着，使她脊梁骨向下沉，背部有点弯成了一个弧形。