大道

In a sentence

• 大道上车水马龙，热闹非凡。

  On the avenue, there is heavy traffic and bustling activity.

  Here, '大道' means 'a wide road or avenue,' referring to the physical aspect of a large, bustling road.

• 修行者常说，大道至简，悟者自明。

  Practitioners often say, 'The Great Path is profoundly simple; those who understand realize it on their own.'

  In this context, '大道' metaphorically represents 'the great path' or 'way,' often referring to profound principles or truths.

• 我们要按照科学发展观走向未来的大道。

  We must follow the scientific outlook on development towards the great path of the future.

  Here, '大道' symbolizes the 'broad and promising way,' implying a metaphorical concept of progress and development.