Candidates don't risk talking about big ideas because the ideas have never been sufficiently tested.

"Stated to have been spoken fluently, but hardly sufficiently tested."

Critics say such foods have not been sufficiently tested.

The vaccines have not been sufficiently tested during pregnancy and, therefore, should not be used by pregnant women.

In our opinion, the Earth persons' had been tested sufficiently and been found wanting.

However, its effectiveness against the olive fruit fly has not yet been sufficiently tested.

"None of these systems have been sufficiently tested in a dense area like New York," she said.

Contrary to what the Council seems to maintain, it is a sufficiently tested approach.

Then, too, I do not think the powder was sufficiently tested.

However, it now looks like Apple may have not sufficiently tested it before release.