know your grandparents

基本解释

Try to know your parents'and grandparents'ages, jobs use the English sentences after school.
回家后试着用英语来了解一下你父母和爷爷奶奶的年龄和工作。
From there it's only a quick jump to your grandparents and then before you know it, you're time-travelling.
再从这里，你又会轻而易举的跳入你祖父母的生活；不知不觉，你已经在穿梭时空旅行了。
You probably know at least one person who snores. It could be your partner, parents, grandparents, or even Uncle Ned or Aunt Sophie that snore at various noise levels.
你可能至少认识一个打鼾的人。也有可能你的丈夫、父母、祖父母、甚至可能是叔叔，阿姨都打呼，只是声响大小不同。

Shoot, young people, your parents and grandparents -- especially them -- let them know what this election means for your future.
WHITEHOUSE: The White House