A nickname also can be a descriptive name for a person,place or thing.

VOA: special.2009.12.27

So, "It's like" is good in comparing an object, person, place or thing to something else.

所以，“It's like”句型在比较物体、人物、地点与事物的时候非常有用。

It's like 课堂 - SpeakingMax英语口语达人

It's one thing to know your place in the universe, or to know the fundamental laws of physics.

知道自己在宇宙中的位置，或知道物理的基本定律是一回事。

耶鲁公开课 - 死亡课程节选

A nickname also can describe a person,place or thing.

VOA: special.2010.01.10

A person, a place or a thing that's related to something that you're talking about in the present moment.

你可以谈论与当前的情景相关的人物、地点或者事物。

remind me of 课堂 - SpeakingMax英语口语达人

When you're full of joy about a person, a situation, a place or a thing,

当你对一个人，一种情况，一个地点或者一个事情特别有好感的时候。

I'm glad 课堂 - SpeakingMax英语口语达人

place, person or situation to another thing, person, place or situation.

一个地方、一个人或者一种情况与另一种作比较。

It's like 课堂 - SpeakingMax英语口语达人

that's connected to a person, place or situation or even thing that you're making a comparison with.

它可以把你做比较的人物、地点或情况联系起来。

remind me of 课堂 - SpeakingMax英语口语达人