slam dunk

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. something that is a sure to occur;
a foregone conclusion
- predicting his success was a slam dunk
• Derivationally related forms:
slam-dunk
• Hypernyms:
certainty, sure thing, foregone conclusion
2. a forceful dunk
• Derivationally related forms:
slam-dunk
• Hypernyms:
dunk, dunk shot, stuff shot