low-keyed speech调子低沉的演说
low-keyed program低要求计划
abstemious abstentious abstinent low-keyed temperate有节制的
low-keyed learn-to-swim program低标准的初学游泳活动
ADJ（形容词） If you say that something is low-key, you mean that it is on a small scale rather than involving a lot of activity or being made to seem impressive or important. 有节制的; 低调的
The wedding will be a very low-key affair.
这场婚礼将非常低调。