It would put them below the common level of human understanding.

"The first thing is to reduce men to a common level."

Routine home care is the most common level of care provided.

The boys did not kill the folk of Xibalba, but they reduced them to common level.

Excellency of parts and merit may place others above the common level.

Why shouldn't they try to rise above the common level?

The ability to relate on this common level is where the means to shape ideological growth.

In such moments of the trilogy there is so little national background, thoughts rise to the common human level.

It seems that sheep and traders share a common level of intelligence.

The first is to achieve a high common level of consumer protection.