Do it yourself ─ I don't have time.
你自己做吧——我没时间。
I could do it now, if you like.
如果你愿意的话，我现在就可以做这事。
We do not have any more information at the present time.
目前我们没有进一步的消息。
What in the world did they think they were doing?
他们到底认为自己在做什么？
One major problem did present itself, though.
不过，确实出现了一个重大问题。