1. He whetted his knife on the stone.
    他在石上磨刀。

2. He whetted his knife.
    他磨刀。

1. That first visit to China just whetted her appetite.
    第一次去中国旅游后，她更想去了。

1. 磨：wherry 摆渡船 | whet 磨 | whether or no 不管怎样

2. 研磨：when viewed from the driver end ==> 从传动机侧看 | whet ==> 研磨 | whet slate ==> 砥石

3.

3. 磨研磨：whet 磨 | whet 磨研磨 | Whether Customs Cleared or Not 不论是否通过海关手续

4. whet的反义词

4. 刺激：Resound出名 | Whet刺激 | Appetite欲望

1. 刺激(某人)对…的欲望;激发（某人）对…的兴趣
    If someone or something whets your appetite for a particular thing, they increase your desire to have it or know about it, especially by giving you an idea of what it is like.

    e.g. A really good catalogue can also whet customers'' appetites for merchandise.
           一份真正好的商品目录也可以激起顾客购买的欲望。
    e.g. ...lectures he hopes might whet the appetite and keep students'' enthusiasm.
           他希望能激发学生们的兴趣，保持他们的热情的讲座

1. sharpen by rubbing, as on a whetstone

2. make keen or more acute

    e.g. whet my appetite

    Synonym: quicken