Adamancy
n. 坚硬, 坚强
🗣️ 情景例句
How's everything with you?
你一切如何？
All is fair in war.
兵不厌诈。
At night, when you really wish to go to sleep, you rarely manage to do so.
到了夜晚，你真想睡了，却很难入睡。