to create, design, or build something to be more complicated or perform more actions than is necessary or helpful

Her strategy is to over-engineer systems so that they will operate well even if conditions are more challenging than expected. 她的策略是对系统进行过度设计，这样的话，即使条件比预期的更具挑战性，系统也能正常运行。

Technicians often overengineer a product, introducing numerous features that customers do not need. 技术人员经常对产品进行过度设计，引入许多客户不需要的功能。