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群雄割拠， ぐんゆうかっきょ
1. rivalry of local warlords, a number of powerful (talented, influential) persons standing by themselves in a given field
地方军阀的争斗，若干实力雄厚（才华横溢、影响力深远）的人物在特定领域中独领风骚
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根拠， こんきょ
1. basis, grounds, foundation, reason, authority
2. base (of operations)
依据、理由、基础；(行动)基地