for·ti·fy/`fɔrtəˏfaɪ; ˈfɔːtɪfaɪ/ v [T] 1 to build towers, walls etc around a place to defend it 筑防御工事于: a fortified city 设防的城市 2 to make someone feel physically or mentally stronger 〔在身体或精神上〕增强: We fortified ourselves with a beer before we started. 出发之前我们喝杯啤酒来振奋精神。