act against and reduce the force or effect of (sth)
"This will counteract the foolish actions of my colleagues"
"The Resistance sabotaged railroad operations during the war"
The weight upon the upper surface is counteracted by the upward pressure of the air on the under surface.
出自： T. H. Huxley
The therapist may be able to counteract the depressive's negative view of his own accomplishments.
出自： A. Storr