To launch a pincer attack; to attack an opponent from both internal and external fronts simultaneously.
在处理复杂的市场竞争问题时，公司采取了内外夹攻的策略，既改进内部管理又拓展外部市场。
When dealing with complex market competition issues, the company adopted a strategy of attacking from within and without, simultaneously improving internal management and expanding external markets.
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