名詞 stiffening:

1. the act of becoming stiff
2. the process of becoming stiff or rigid
   同義詞：rigidifying, rigidification

動詞 stiffen:

1. become stiff or stiffer
   同義詞：stiffen
2. make stiff or stiffer
   同義詞：stiffen
3. restrict
   同義詞：stiffen, tighten, tighten up, constrain

1. He stiffened (with terror) at the horrific sight.
   他看到那恐怖的情景嚇呆了。
2. My back has stiffened (up) overnight.
   我的後背一夜之間強直了。
3. The promise of a reward might stiffen their resolve.
   答應給他們獎勵可以堅定他們的決心。
4. He stiffened at the insult.
   他聽到這些侮辱的話，態(tài)度強硬起來。