[] tune sth (up)to adjust sth so that it works more efficiently调节，调整（使更高效）◆We need to tune up our after-sales service.我们需要调整售后服务。to prepare or adjust sth so that it is suitable for a particular situation调整（使更协调）◆Their products are finely tuned to their customers' needs.他们的产品非常适合顾客的需求。