although /ɔːlˈðoʊ/ 是连词,表示“虽然;尽管”,用于引导让步状语从句,说明后面的情况与主句形成对比或“出乎意料但仍然成立”。(也常见 though 作近义替换;although 通常更正式一些。)
Although it was raining, we went outside.
虽然下着雨,我们还是出去了。
Although she had little experience, she handled the project calmly and delivered it on time.
尽管她经验不多,她仍然冷静地处理了这个项目,并按时完成交付。
/ɔːlˈðoʊ/
although 来自古英语/中古英语的表达,原本可理解为 all + though(“完全地 + 尽管”),逐渐固定为一个连词,用来强调“让步”关系:即便前面条件成立,后面的结论仍然成立。