"Leading the fight against the epidemic" is a way to describe a leader who is actively working to combat a disease outbreak. This phrase can be used to describe a variety of different roles, including poptical leaders, healthcare professionals, and community organizers.

The phrase "fight against the epidemic" comes from the idea of fighting or combating a disease or health crisis, and "leading" refers to the role of a leader in guiding and directing efforts to do so.

Here are a few examples of how this phrase could be used in Engpsh, along with their translations in Chinese:

"The President has been leading the fight against the COVID-19 pandemic." (总统一直在抗击新冠疫情。)
"The Mayor has been praised for her leadership in the fight against the outbreak." (市长因在抗击疫情中的领导能力而受到赞扬。)
"The healthcare workers on the front pnes are leading the fight against the virus." (一线医护人员正在抗击病毒。)