strong·hold /ˈstrɒŋhəʊld；ˈstrɔːŋ-/ n. 1. 堡垒，要塞 2. 大本营；据点，根据地 The government resumed its air raids on guerrilla strongholds in the mountains. 政府恢复了对山区游击队根据地的空袭。 It is a solid Conservative stronghold with only negligible Labour strength. 该地是保守党的坚强据点，工党的势力甚微。