a sure defeat的用法和样例：
- There could be no honour in a sure success, but much might be wrested from a sure defeat!
- There can be no honor in a sure success, but much must be wrested from a sure defeat.
- It is no fun betting on a sure thing.
- She drew the outline with a sure hand.
- Exercise is a sure way of losing weight.
- These stocks will earn money; it's a sure thing.