◆事が延びれば、尾鰭が付く Koto ga nobireba o-hire ga tsuku.
- 解釈：物事は長引くと、次々と問題が起こってきて、計画通りにいかなくなる。
- Literal：A tail and a fin are attached when things are prolonged.
- Interpretation：It is exaggerated if things are prolonged. A problem will be arisen and stuck if things are prolonged.
- 類義：