now /nau/ I. adv. 1. 现在，此刻，目前：Everything is ready now. 现在一切都准备好了。 2. (表示在叙述中所涉及的时间)那时，于是，接着： He was now twenty years old.那时他才20岁。 The Red Army men now marched west.然后，红军向西前进。just now 现在，这会儿；刚才：Do not talk about it just now.现在不讨论这件事。Tom was here just now. 汤姆刚才在这儿的。 now and then 时而，不时：We heard shots now and then. 我们时而听到枪声。 3. (表示感情或语气) Now, listen to me.听我讲。Now, what’s he? 喂，他是干什么的? ‖II. n. 现在；如今 by now 到现在为止：He’ll be there by now.现在他该到那儿了。from now on 从现在起： From now on I will try to do better. 从现在起我要争取做得好一点。‖III. conj. now (that) 既然，由于：既然，由于：Now you mention it, I haven't seen her around for ages.既然你提到，我好久没见过她了。［考句］Now that we have finished the course, we shall start doing more revision work.既然我们学完了这门课程，我们就可以开始在复习上花更多的时间。［考句］Now that my head had cleared, my brain was also beginning to work much better.由于我头部的症状已经消失，脑子也渐渐变得灵活得多。
nowadays /ˈnauədeiz/ adv. 现今，现在(常和过去做比较)：Trains are comfortable nowadays. 如今的火车很舒适。Nowadays children are much healthier. 现在的孩子比以前健康多了。
