Go five, six, seven, eight, I will have to look into the family tree.

个以上,我得查查你的家谱了

耶鲁公开课 - 基础物理课程节选

And as you're reading them, look up the words you don't know. It's that simple.

看报时，查查你不认识的词。就是那么简单。

英语阅读：技巧 - SpeakingMax英语口语达人

You cannot say, "I will look it up."

你不能说 "我得查查"

耶鲁公开课 - 基础物理课程节选

Well, if you want to find out you can get onto sec.gov and it will give you the current definition.

想了解的话就到SEC.gov去查查吧,你会找到最新的定义

耶鲁公开课 - 金融市场课程节选