他懒得去开灯。

He didn't bother to switch on the light.

她问他们为什么不开灯。

She asked them why they hadn't turned the lights on.

我没有开灯，而是一路摸黑走过房间。

I didn't turn on the light, but groped my way across the room.

不用开灯。

There's no need to turn on the light.

黄昏时你应开灯。

You should turn the light on at dark.

半夜两点时，科尔肯太太确信自己听到客厅里有贼，就对丈夫说：“别开灯，轻手轻脚地下楼，悄悄地靠近他，别被他发觉。”

At 2 a. m. Mrs. Culkin was convinced that she had heard a prowler in the living room. "Tiptoe downstairs," she told her husband. "Don't turn on the lights. Sneak up him before he knows what's happening."

一些LED系统已经配备这种探测器了（以便在夜间判断何时开灯）。

Some LED systems have such sensors already ( to know when to turn on at night).

n.灯火管制在灯火管制的夜里，街道上不能开灯。

blackout The streets were not lighted at night during the blackout.

行李员把你的行李搬到房间，向你解释如何收看CNN，告诉你怎么开灯，怎么把空调调好。

The porter brings your bags to your room and helpfully explains how to access CNN. He shows you how to turn on the lights and adjust the air-conditioner.

我醒来时机舱里没开灯，我以为出了什么事，瓦格纳跟ABC之声的采访人员说，我觉得自己应该还在同一架飞机上，飞机只是短暂停留下。

I woke up and the lights were out. I was like, what's going on? Mr Wagner told ABC station. I thought maybe it was a layover, still on the same plane.

根据断续开灯功能的原理，用Z80指令设计出汇编语言程序，并用TP801微机进行调试。

According to the principle of the lamps be off and on by traffic control, the assembly languages program by Z80 instructions have been designed.