stiff

The leather on these new hiking boots is so stiff that it causes blisters on my heels.

(Chinese) 这双新登山靴的皮革太硬了，导致我的脚后跟磨出了水泡。

After sitting in the same airplane seat for ten hours, my legs felt incredibly stiff.

(Chinese) 在飞机的同一个座位上坐了十个小时后，我的腿感到异常僵硬。