now/ nau /

1.adverb
(at the present time) 现在

It is now just after one o'clock.
现在刚过1点钟。
I'm going home now.
我要回家了。
2.adverb
(these days) 如今

Most schoolchildren now own calculators.
如今大多数学童都有计算器。
3.adverb
(under the circumstances) 看来

I was hoping to go tomorrow. That won't be possible now.
我本来想明天走。看来这不可能了。
4.adverb
(specifying length of time) 到现在为止

They've been married now for 30 years.
到现在为止,他们已经结婚30年了。
5.adverb
(introducing new information) 喂

Now, I hadn't told him this, so he must have found out for himself.
喂,这件事我没告诉他,他一定是自己发现的。
6.conjunction
now (that) 既然

Now that he's feeling better, he can go back to work.
既然他感觉好些了,就可以去上班了。
right now
这时
What if a shark came along right now?
这时,如果来了鲨鱼该怎么办呢?
by now
到现在
He should be here by now.
他现在应该到了。
By now he'll be home and in bed.
现在,他一定到了家,上床休息了。
just now
眼下
I'm pretty busy just now.
眼下我很忙。
(every) now and then {or} again
时而
from now on
从现在起
in 3 days from now
从现在起3天后
between now and Monday
从现在到星期一
that's all for now
就到这里
any day/moment/time now
不日/随时/任何时候
now then
喂(以引起注意)
֧ɨ