Example sentences of "[prep] be [adj] about [adj] " in BNC.

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1 Game theory forces us to be precise about three sets of assumptions on which a model rests :
2 TAURUS — WE HAVE to be realistic about 1993 .
3 It is as well to be clear about two charges made by the Left to explain Allende 's downfall .
4 While it was too early to be optimistic about 1993/94 , the year had started on a better note , he said .
5 But for our last point we had to rely on being half-right about two issues : we rightly predicted a Common Market between the US and Canada — but wrongly thought it would also include Mexico and Venezuela ; and we predicted that unemployment would rise sharply in the West , causing more flexible working patterns — but were over-optimistic about the implications , seeing masses of people returning to school in middle life and then starting a new career .
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