This is the 448th most frequent Chinese word.
维护
To maintain or to safeguard.
In this sentence, '维护' is used in the context of maintaining or upholding certain principles or conditions, showing its applicability in social or abstract constructs.
我们需要维护社会的公平和正义。
We need to uphold social fairness and justice.
Here, '维护' refers to the task of performing regular maintenance or repair work on physical systems or devices, demonstrating its use in a technical or operational sense.
技术人员正在维护计算机系统。
The technician is maintaining the computer system.
In this case, '维护' means defending or advocating for an idea or stance, showing its use in personal or intellectual contexts.