verb · to adjust downwards or reduce (typically used for prices, rates, or numerical levels)

由于市场需求疲软，厂家决定下调产品售价。

verb · to lower the rank or position of an individual

他因为表现不佳被下调了职级。

verb · to transfer personnel or resources to a lower-level administrative unit

上级决定下调部分技术人员到基层单位指导工作。