work up a appetite的用法和樣例：
例句
- They would quarrel and then make up and he would sweat out the alcohol on long walks with me, and make up his mind that this time he would really work, and would start off well.
他們會(huì )吵嘴，然后又和好，而他會(huì )跟我一起長(cháng)途散步，出一身汗使酒性發(fā)散，并且下定決心說(shuō)這回他可要真正的干一場(chǎng)了，而且準會(huì )有個(gè)好的開(kāi)端。
