What other factors, apart from native ability, enter into presidential performance would be difficult to say . 除了天赋的能力，还有什么别的因素是执行总统职务所需要的就很难说了。
But in the release of long tension, byron did want to talk about it, though the words came hard . 可是经过长期的紧张之后，拜伦现在松弛下来，倒愿意谈谈这件事，虽然这些话很难说出口。
As there is no possibility of future consideration being received, it is doubtful whether the payment is strictly legal . 由于对方今后不可能再履行他的责任，这一笔支出是否合法很难说。
The clergyman explained that, as far as he was aware, it had quite died out of knowledge, and could hardly be said to be known at all . 牧师说，据他所晓得的，这早已成为了陈迹，很难说有什么人知道了。
He and the proctor capped each other as they met, as if they were rival powers, and the man hardly knew which was the greater . 学监遇到他，也跟他彼此脱帽致意，仿佛他们在权力上是平等的，很难说谁大谁小。
It could not be said whether it was courage or carelessness that brought the railroad's agent within reach of dyke's revolver . 很难说得准，这个铁路公司的代理人到底是胆子大呢，还是不小心，竟走进了戴克那左轮的射程之内。
Change the sheets . with depardieu , you never know 把床单换了。迪帕典，很难说。
I ' m leaving room for the unknown . - so far 将来是什么样很难说啊-至少现在… …
- i ' m leaving room for the unknown . - so far -将来是什么样很难说啊-至少现在… …
It ' s hard to say , you ' d better beg for the god 这很难说，你最好祈求上苍保佑吧。
