维护

safeguard;preserve;defend;uphold;maintain;protect
～安定团结maintain unity and stability/～党纪uphold Party discipline/～法制的统一和尊严safeguard the uniformity and sanctity of the legal system/～国际和平与安全maintain international peace and security/～国家统一、民族团结safeguard national unity and ethnic solidarity/～国家主权defend state(or national)sovereignty/～交通安全ensure traffic safety/～民族尊严vindicate (or defend,safeguard,uphold) national honor /～权威safeguard the authority of /～人民的利益safeguard (or protect)the people’s interests/～社会治安maintain public order/～世界和平safeguard world peace/～市场秩序maintain market order/～司法公正safeguard judicial justice/～团结uphold unity (or solidarity)/～政治稳定safeguard political stability/有自己的利益需要～have one’s own interest to look after