1、adj. 好的;优良的;愉快的;虔诚的n. 好处;善行;慷慨的行为adv. 好。
2、例句:
I only use that on special occasions, so its as good as new.我只在特殊场合用,所以它完好如新。
Its a good thing you arent married.幸好你没有结婚。