He oscillates between conservatism and radicalism.他在保守方针和激进措施之间摇摆。

His mood oscillated between cooperation and aggression.他的情绪在合作和敌对之间摇摆。

The president of the Republic oscillated between a certain audacity and a prudent realism.共和国总统在些许大胆冒进情绪和谨慎的现实主义之间来回摇摆。