I'm afraid I can't give you a definite reply now. 恐怕我現(xiàn)在無(wú)法給你一個(gè)明確的'答復(fù).

I can't make a decision right now. 我現(xiàn)在無(wú)法作出決定.

I just need some time to think it over. 我需要時(shí)間考慮考慮.

We are still a little unsure about the prospect, though. 不過(guò),我們對(duì)于前景還是有點(diǎn)不能確定.

There are certain points that I'll have to consider very carefully. 有些問(wèn)題我得慎重考慮.

That may well be so. I'm not sure. 很可能是這樣的,我不敢確定.

It all depends. 這得看情況而定.