whet
verb uk/wet/ us/wet/ -tt-
(INTEREST)
whet someone's appetite 勾起（某人）的兴趣；增加（某人）的欲望
to increase someone's interest in and wish for something, usually by giving them a small experience of it
I've read an excerpt of the book on the Web and it's whetted my appetite. 我在网上读过这部书的节选，引起了我强烈的兴趣。
That one kiss had whetted his appetite. 那个吻激起了他的欲望。
(SHARPEN)
[ T ] old use磨，把…磨锋利
to sharpen the blade of a knife or similar tool
He whetted his knife against the stone. 他在石头上磨刀。