0 used to say that you wish something was not true or that something had not happened -- maalesef, ne yazık ki, korkarım ki
The analysis of the qualitative data appears, unfortunately, to have been somewhat superficial.
Unfortunately, rigorous scientific data are lacking on the efficacy and effectiveness to justify medical practice.
Many other adverbs (as interestingly, frankly, clearly, luckily, unfortunately) are similarly used; most are so ordinary as to excite no comment or interest whatsoever.
Unfortunately, it is difficult in a short space to do justice to a book which already is a philosophical classic.
Unfortunately, complaints returned due to a disturbance of rhythm.
Unfortunately, parties have only limited resources with which to prepare for office.
Unfortunately, however, negligible data on its activities have survived.
I entirely agree, but only because this is a true story told from a first-person perspective, which does not, unfortunately, escape epiphenomenalism.
