a fortified city的用法和样例：
- An offended brother is more unyielding than a fortified city, and disputes are like the barred gates of a citadel.
- Blessed be Jehovah, For He displayed His lovingkindness wondrously To me in a fortified city.
- The act of scaling a fortified wall or rampart.
- After praying quietly he faced his difficulties with a fortified spirit.
- A fortified enclosure for artillery on a warship.