Sentence examples for difficult to say this from inspiring English sources
"It's real difficult to say, 'This is country.
That would be difficult to say this early.
"It is difficult to say this event is taking place".
Whether the irony is intentional is difficult to say (this is MIT, after all).
"We are on the top but it is difficult to say this because the season is wrong.
I find it difficult to say this country is governed by fear and nobody wants to talk".
It is difficult to say whether this is unique to this drug or whether this depends on the patient population in this observational study.
"It makes it difficult to say why this man would do this".
It is difficult to say whether this represents a less comprehensive coverage of conformational space or whether this is due to the use of different forcefields.
This work suggests a moderate temperature, though again -- and this is relevant to both protein and RNA ancestral reconstruction -- it is not possible to go further back than this hypothetical point, so, technical issues aside, it is difficult to say if this work sheds direct light on optimal temperature in an RNA world.
It is difficult to say what this means.
