It means to overcome difficulties, forge ahead, concentrate our efforts, and achieve greater success again.

The phrase "overcome difficulties, forge ahead, concentrate our efforts, and achieve greater success" means that in the face of difficulties and challenges, we must unite as one, work together, and overcome Difficulties, keep moving forward, and create better results.

Specifically, "overcoming difficulties" means to face difficulties and challenges bravely, not to be afraid of difficulties, and to work hard to overcome challenges. "Forge ahead" means to keep moving forward through training and constantly improve yourself. "Cohesion" means to unite as one, gather everyone's thoughts, ideas and strength together, and work together towards a certain goal. "Achieving greater success" means to create more outstanding results, constantly surpass ourselves, and achieve higher goals.

In general, this sentence encourages people to unite as one, overcome difficulties, keep moving forward, and create more outstanding results.