不一而足

Etymology
The original and literal meaning in the  was "to not make full (the approval) all at once", i.e., to be conditional and graduated in dispensing approval. It was also written as "不壹而足" in the , and typically used in the phrase

As chengyu, the phrase has been re-analysed semantically in common usage and shifted in meaning.

Idiom

 * 1) cannot be described only by one example; by no means an isolated case; to be numerous; innumerable