Question

although
although 也作 al.tho  AHD[ôl-Y½“]   DJ[%8l6H*&]  KK[%l6Ho]
conj.（连接词）
    Regardless of the fact that; even though.
    虽然；即使：不管事实上如何；即使
ORIGIN
1.Middle English
    中古英语
2.al [all] * see  all
    al [所有] *参见all
3.though [though] * see  though
    though [尽管] *参见though
USAGE
As conjunctions,although  andthough  are generally interchangeable:Although  (orthough )she smiled, she was angry. Although is usually placed at the beginning of its clause (as in the preceding example), whereasthough  may occur elsewhere and is the more common term when used to link words or phrases, as inwiser though poorer,  or in constructions such asFond though  (notalthough )I am of opera, I'd rather not sit through the  Ringcycle this weekend.  
    作为连词although 和though 通常可以互换使用：Although （或though ）尽管她微笑着，她却在生气。 Although常放在从句的开头（如前面例句）， 而though 可以出现在其它位置，当用来连接词语或短语时更为常用， 如尽管穷一些却更有头脑 或在下面这种结构中尽管 （不用although ）我很喜欢歌剧，我也不愿这个周末一直坐等到 打铃散场。