工作怎么样?
How's business?

还可以。
Not bad.

今天怎么样?
How did it go today? *用于会议或聚会等特别场合。
How did it go today? (今天怎么样?)
So-so. (还凑合吧。)
How was your day?

和往常一样。
Oh, same as usual.
How was work today? (今天工作怎么样?)
Oh, same as usual. (和往常一样。)
Same old, same old. *俚语。
Another day, another dollar.

急着干什么去呀?
What's the hurry?
What's the hurry? (急着干什么去呀?)
We're going to be late for the movie. (我们赶着去看电影呢。)
Why are you in a hurry? (为什么那么着急?)
Why are you hurrying? (干吗那么着急?)

你去哪儿?
Where are you headed? *head 是动词，be headed for...表示“向着……前进”。
Where are you going?
Where are you off to?

你干吗呢?
What are you doing?
What are you doing? (你干吗呢?)
I'm ironing my shirt. (我在熨衬衫呢。)

我在想点事儿。
I was just thinking. *just 表示一种“有点”，“不过……”的语感。

我只是发了会儿呆。
I was just daydreaming. *daydream “沉湎于幻想”。

我只是在消磨时间。
I'm just killing time. *kill time “消磨时间”、“打发时间”。
I'm just hanging out. *hang out “什么都不做，无端地耗费时间”。

你想什么呢?
What's on your mind?
What's on your mind? (你想什么呢?)
I'm worried about my wife. (我有点担心我的妻子。)
What are you thinking of?

没想什么。/没什么。
Nothing.