a sure-fire success的用法和样例：
- Stress and an overactive mind are a sure fire way to stop a great nights sleep.
- The Comedy Sparking Polisher is a sure fire way to create laughs in you show.
- If you are in a company, you want to know whether this is a career builder or a sure fire way to have the security people escort you from the property and demagnetize your company identification card.
- It is no fun betting on a sure thing.
- Diligence is a sure warrant of success.