I am an optimistic person

乐观───optimistic;人───people

I am not too optimistic about influencing a multibillion industry.───我并非对于影响一个数亿计的产业过于乐观.

I have this image of you as always being cheerful and optimistic.───你留给我的印象总是快活和乐观.

She's not very optimistic about the outcome of the talks.───她对会谈的结果不太乐观。

Terry, though , is optimistic both he and Beckham will be ready to face each other.───特里依然乐观于他和贝克汉姆都将预备好面对对方.

Nevertheless, she is always optimistic about the possibilities and can work her charm on the disenchanted.───虽然如此，她总是乐观地抱持希望，并能深深地感染那些心灰意冷的人。

I know he is too optimistic but I don't want to depress him.───我知道他太过乐观了，但我不想令他灰心丧气。

They are not optimistic about a settlement of the eleven year conflict.───他们不是很有信心能和平解决这场长达11年的纷争。

She is not optimistic about the outcome.───她对结果并不乐观.

You will feel more buoyant and optimistic about the future than you have for a long time.