打开灯光用英语怎么说

"Turn on the lights" 是打开灯光的常用说法。

"Turn on" 是动词短语，意思是"打开"， "the lights"是名词短语，意思是"灯光"。

例句：

Can you turn on the lights? 能帮我打开灯光吗？
I can't find my keys, can you turn on the lights? 我找不到钥匙了，能帮我打开灯光吗？
I'm going to bed, can you turn on the lights? 我要睡觉了，能帮我打开灯光吗？