“关小”的英语可以翻译为：educe，turn down ...

关小火让煎蛋的下面凝固。Lower the heat and allow the omelet to set on the bottom.她去把音量关小了。She went and turned the sound down.请你把收音机的声音关小一点好 吗 ?Would you be good enough to turn the radio down a bit?...