1
Although + clause, + clause
让步从句通常置于句首，强调对比。
Although it was raining, they went out.
虽然下雨了，他们还是出去了。
虽然；尽管
先理解核心含义，再看它在真实句子里的用法。
虽然；尽管
though; even though; in spite of the fact that: introducing a clause that expresses a concession.
Although it was raining, they went out.
虽然下雨了，他们还是出去了。
虽然,尽管,即使:引导让步从句。
Though, even though, in spite of or despite the fact that: introducing a clause that expresses a concession.
但是,除了。
But, except.
Although it was raining, we went for a walk.
尽管下雨了，我们还是去散步了。
She decided to accept the job, although the salary was low.
尽管薪水很低，她还是决定接受这份工作。
Although he studied hard, he didn't pass the exam.
虽然他学习很努力，但没有通过考试。
让步从句通常置于句首，强调对比。
Although it was raining, they went out.
虽然下雨了，他们还是出去了。
从句后置起补充说明作用。
They continued, although they were exhausted.
他们继续前进，虽然已经精疲力竭。
省略主语和be动词，仅保留形容词或副词。
Although tired, she finished her homework.
虽然累了，她还是完成了作业。
Not this
Although it was raining, but we still went out.
Use this
Although it was raining, we still went out.
在英语中，'although' 和 'but' 不能同时出现在同一个句子中，因为 'although' 已经表达了转折关系。去掉 'but' 即可。
Not this
Although the heavy rain, we went hiking.
Use this
Despite the heavy rain, we went hiking.
'although' 是连词，后面必须接完整的句子（主谓结构），不能直接接名词短语。表达'尽管有...'时，应使用介词 'despite' 或 'in spite of'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
尽管它是
Although it is raining, we will go out.
尽管下雨，我们还是要出去。
尽管他说
Although he said he would come, he didn't.
尽管他说他会来，但他没来。
尽管有
Although there are many obstacles, we succeeded.
尽管有很多障碍，我们成功了。
尽管这可能
Although this may sound strange, it is true.
尽管这听起来奇怪，但这是真的。
虽然世界充满了苦难，但也充满了克服苦难的故事。
Although the exam was difficult, she passed with flying colors.
尽管考试很难，她还是以优异的成绩通过了。
Use although naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
all though → 所有都通过，尽管有困难。
Register: neutral. Contexts: formal writing, everyday speech. Note: 'although' is neutral, used in both formal and informal settings.
不与but连用
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.