Sentence examples for difficult to say at present from inspiring English sources

How much such antagonism contributes to sex-bias in the avian brain is difficult to say at present.

It is difficult to say at present why costs are more prevalent in some systems, and it may simply be that the various host-parasite systems have different evolutionary histories; some of these lead to costs, others do not.

It's difficult to say at this point.

However, it is difficult to say at this point that we are that much more enlightened about disease pathogenesis.

It's difficult to say; both present-day fame and posthumous reputation are elusive, mercurial, and multifactorial.

It is difficult to say how dangerous the situation is at present.

It is difficult to say if the pathway could have been present in the archaeplastid ancestor itself, before divergence of the glaucophytes.

However, from the present study, it is difficult to say whether intense drinking bouts were a cause or consequence of increased compulsivity.

But at this point it is difficult to say which.

"At this stage it's difficult to say.

Jane Sydenham, investment director at Rathbone Investment Management, said: "While at present the news is good for the markets, it is much more difficult to say how this will play out in the longer term.