whittle down的用法和樣例：
例句
- They are trying to whittle down our salaries.
他們正著手削減我們的薪水。 - We have cut down the non-productive expenditure.
我們已削減了非生產性開支。 - With these methods,we shall wear down the prisoner's resistance.
用這些方法，我們將使犯人的抵抗逐漸減少。 - This uses a succession of cues to whittle away the alternatives until only one remains.
這一方法使用一連串線索來逐漸減少排除選項，直到最后只剩下一個選項。
