noun · A narrow path or trail.

我们沿着山间小道往上爬。

noun · The use of improper means or back-channel methods to achieve a specific goal.

办事要走正道，不能靠走小道。

noun · Confucian term for professions such as agriculture, medicine, or divination, regarded as inferior to the pursuit of statecraft and virtue.

在儒家看来，这些专业技艺只是小道。