I was like 我...是什么
He told me his secret and I was like OMG!
他告诉了我他的秘密，然后我整个就“我的天哪”！

I like... = 我喜欢...
I like chocolate-flavored ice-cream.
我喜欢巧克力味的冰淇淋。

I am/was... = I say/said...
And then she was like "I don't want to be with you anymore because I am fat".
然后她说“我不想继续和你在一起了，因为我太胖了”。
And then after that, I was like "I don't care about how you look. It's what's inside that matters".
接着我就说“我不在意你的外貌看起来如何。内在才最重要”。

Say
表达口头说的话
What did you say?
你刚刚说啥啦？
Hey, what did you say? Say it again!
诶你说啥？你再说一遍！

What do you say? = What do you think?
你觉得怎么样？
Hey, what do you say? Want to go to the market?
诶怎么样？想去超市不？

表示“传达的信息”
The clock said 3.
你看时间，三点了。
The notice said, "stay out".
指示牌上写着，禁止入内。
The phone says "the battery is low".
手机低电提示了。

say 相关短语搭配
I can't say for sure = 我不确定
C: "Hey is Olivia coming in for work today?"
嘿，Olivia 今天会来上班吗？
D: "I can't say for sure."
我不确定诶。

have a say in something 就某事有发言权

have no say 没有发言权
Hey, where are you guys going! I also have a say in this!
嘿你们去哪儿啊！这事儿我也有发言权啊！