合成词是although ，中文意思是conj. 虽然，尽管但是，然而

例如

Although the sun was shining it wasn't very warm.尽管太阳高照，却不很暖和。

Although he's nearly 80， he is still very active.尽管快80岁了，他还是十分活跃。Although he was experienced， he was not infallible.