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These clothes restrict your freedom of movement and stiffen up the whole body.
这些衣服使你的手脚难于自由活动，使整个身体也僵硬起来。
《柯林斯英汉双解大词典》
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Straighten up little soldier. Stiffen up that upper lip.
挺直腰杆，咬紧牙关，做个象样的小兵。
youdao
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Straighten up little soldier. Stiffen up that upper lip.
挺直腰杆，咬紧牙关，做个象样的小兵。
youdao