1.turn on 打开;接通;开启
Parents can programme the machine not to turn on at certain times.
父母可以设定这台机器的程序,使它在特定时间段无法开启 。
I wish I knew how to turn on the heating.
真希望我知道怎么开暖气 。
2.nod off 打盹;打瞌睡;犯困
Don't let yon dog nod off.
不要让那条狗打盹 。
The judge appeared to nod off yesterday while a witness was being cross-examined.
昨天一名证人接受盘问时,法官好像在打盹 。