If you describe someone as evil, you mean that they are very wicked by nature and take pleasure in doing things that harm other people.
邪恶的; 凶恶的
Evil is used to refer to all the wicked and bad things that happen in the world.
恶行 • He could not, after all, stop all the evil in the world. 他毕竟不能阻止世上所有的恶行。