She stiffened as the footsteps came closer and closer.
He stiffened with rage.
Her old fingers were stiffening up now.
He sat up straight, stiffening his back.
The army stiffened their resistance.
The air attack only served to stiffen the enemy’s resolve.
英语词典包含67175条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。