Father Christmas 圣诞老人；宗教里对圣诞老人的称法；圣诞老公公

【例句】
I am going to wait for Father Christmas.
那我不睡觉了。我要等着圣诞老人来。

We tried to stay awake as long as possible to see Father Christmas but the next thing we knew it was morning, Christmas morning!
为了能看到圣诞老人我们尽可能醒着不睡觉，但是我们醒来时就是圣诞节的早晨了。