to act in opposition to someone or something
反对某人或某事 (fandui mou ren huo mou shi)
"The new policy may work against small businesses."
"新政策可能会对抗小企业。" (xin zhengce keneng hui **duikang** xiao qiye.)
to continue trying with faith and optimism
to change someone’s opinion to match yours
to defend or support the idea of peace in conflicts
to destroy relationships between allied groups or nations
to cause an increase or improvement in business or economy
to include someone in communication or discussion