本集核心英语单词及例句：

1.optimistic (adj.)乐观的
Tina is not optimistic about the outcome.
Tina对这个结果并不乐观。

2.pejorative (adj.)轻蔑的；贬义的
I didn't know it would be a pejorative.
我不知道这会带有负面意义。

3.naive (adj.)天真的,幼稚的
This idea sounds very naive.
这种观点听起来很天真。

4.negative (adj.)消极的
Some of the input you receive will be negative.
你所接受的一些信息也许会是消极的。

5.criticism (n.)批评
He was subjected to severe criticism.
他受到了严厉的批评。

6.realistic (adj.)现实的；现实主义的
They will have to be realistic with their demands.
他们将必须现实地对待自己的需求。