He always knew he wanted to perform, but is less certain about writing.
Mr. Powell said he did not want to serve in elected office but was less certain about a return to some government post.
They believe they have put in the highest offer but are less certain of the factors that might be motivating him.
Paul Annacone, Federer's co-coach, agreed on Tomic's potential but was less certain about his ability to build the proper platform for himself.
John Seeley Brown, who for 15 years served as director of the fabled research institution, Xerox PARC, is convinced Grand Central is working on exactly the right problem -- but is less certain that the company can succeed.
They also need to motivate a large number of blue-collar white voters who sat out the last election — a group that strongly supports Trump, but is less certain about voting, the poll data show.
Publication bias may be an important problem in this body of literature since it suggests that most intervention types have a positive effect on measures of process or professional behaviour (such as compliance with a guideline or use of a particular resource), but is less certain about effects on patient outcomes.
Some local residents pointed us towards the scene of the blast, still a quarter of a mile away, but others were less certain of our presence.
Greenwood, who was finishing up an MFA at Columbia (where she now teaches), sensed that death-faking would be a good topic for a book, but her professors were less certain: what was her story, what was her through-line?
Opinions about tests were less certain but most included a measure of intra ocular pressure.
