1. to affect or sway someone's decision or behavior in an unethical, illegal, or improper manner
The politician was accused of trying to influence improperly the judge's decision.
O político foi acusado de tentar influenciar indevidamente a decisão do juiz.
2. to exert undue or corrupt pressure on someone for personal gain
They attempted to influence improperly the committee members with bribes.
Eles tentaram influenciar indevidamente os membros da comissão com subornos.