1.
No, it's not. It's perfect.
不，不凉。水温正好。
2.
No problem. I'm free now.
没问题，我现在正好闲着。
3.
He has just hitted the aim.
他正好击中了目标。
4.
His answer just hit the mark.
他的回答正好击中要害。
5.
I hit him fair and square on the jaw.
我正好打中他的下巴。
6.
It so happened that both of them were there.
正好他们两人都在那儿。
7.
I arrived just as the match started.
我到达时比赛正好开始。
8.
We just missed the train.
我们正好没有赶上火车。
9.
He's the direct opposite of his brother.
他跟他弟弟正好相反。
10.
What 's really good ?
有什么真正好吃的？
11.
I'd like it fried just right.
我希望它能油炸的正好。
12.
I fell smack in the mud.
我正好跌在烂泥里。
13.
The money he gave me was very welcome.
他给我的钱来得正好。
14.
It is just a year since I arrived here.
我到这里正好一年了。
15.
It so happened that a militiaman was passing by.(A militiaman happened to be passing by.)
正好一位民兵从旁走。
16.
So I'm under the weight.
那么我正好没超重。
17.
Well now, back to work!
好啦，言归正传吧！
18.
(informal) very funny.
（非正式）非常好笑。