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. 我们需要调整售後服务。
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。