Here's what you might be looking for:
* 青兰 (qīng lán): This means "blue-green orchid." It refers to a specific type of orchid with bluish-green flowers.
* 清兰 (qīng lán): This means "clear orchid" and is less common. It could refer to an orchid with a pure, clear color.
Other possibilities:
* It could be a regional dialect expression.
* It could be a phonetic spelling of a phrase with an altered pronunciation.
To get a more accurate answer, please provide:
* The context in which you heard or saw the phrase.
* Any additional information about the source or speaker.
This will help me understand what you're looking for and give you a more precise answer.