Technically, it seems, Mr. Kissin can do anything, but his interpretations have occasionally proved wild and erratic in recent years.

Herbie proved too erratic and it was not long before the duo opted to recruit former school friend John Collie to provide a more reliable rhythm section.

Meanwhile Amdahl says that while it believes that there is still strong demand for its mainframes, demand is proving erratic.

This year, like last, the Fed did not set a goal for a narrower gauge known as M-1 because it has proved too erratic to trust.

However, Westfield proved erratic and wayward and took only 11 first-class wickets in 15 first-team appearances over six seasons for his county.

The appetizers, however, proved erratic.

E-85 sales at his service station, though, have proved erratic.

Measurements required months and the data proved too erratic for the technique to be considered a viable future replacement to the IPK.

Her predictions had proved erratic.

If your former allies proved erratic, you'll replace them with others, less brilliant but more easily controlled.