whet
/wet; ?@ hwet; hwɛt/ v
(-tt-) [Tn]
1 (fml 文) sharpen (the blade of a knife, an axe, etc), esp by rubbing with a stone 磨（刀、 斧等）（尤指用石头磨）.
2 excite or stimulate (one's appetite, desire, interest, etc) 引起, 刺激（食欲、 欲望、 兴趣等）
Reading travel brochures whets one's appetite for a holiday. 看了旅游手册就巴不得去度假.