A counter may be used to stiffen the material around the heel and to give support to the foot.
鞋后踵可用来固定鞋后跟，以支撑足部。

Mr. Paulson has moved to to stiffen the Treasury's resistance to Congress over currency policy.
在汇率政策上，保尔森加大了财政部对国会的抵制力度。

Nonlinear Buckling Analysis of Damaged Advance Grid Stiffen Structure with Progressive Failure Method
基于累积失效法的含损伤格栅加筋板非线性屈曲状态分析

Federer heroically saved seven match points， two of them with aces， to stay in the match， but as his legs started to stiffen Murray was able to clinch a famous victory.
可是随着费德勒的脚步越来越沉重，穆雷笑到了最后。