make capital of

The sales assistant remembered me and cheerfully processed the refund, and while I tried to make capital of the fact that the woman behind me in the queue – an elegant, blade-thin ballet teacher, by the looks of things – gave me the once-over, as if scanning me for the detonator under my clothes, I could hardly blame the store for this and felt lousy by the time I walked out.

My first point was how to make capital of my grand discovery in the interests of my cabalistic science.

Why should not the barber make capital of his summons to Burckhardt?

She'll be very good-looking when she doesn't look so sulky and take such airs, and one could make capital of all the patriotic work she's been doing down here.

She watched the latter with a hawk-like eye, only to go forth and make capital of any small imperfection in Marjorie’s playing, which she saw or fancied she saw.