be pessimistic about

基本解释

Don't be pessimistic about my plans.
不要對我的計劃那麽悲觀。
The nation with the thickest and most expansive networks will define the age. There's no reason to be pessimistic about that.
美國用最密集最廣泛的網絡定義了那個時代，沒有理由悲觀。
But the bigger reason to be pessimistic about Mr Duncan is that the education establishment has an astonishing record of neutralising reform-minded politicians.
對於鄧肯先生抱不樂觀的比較大的理由是，教育界利益集團在觝忤改革派政治家上有著驚人成勣。

This year,when you have two-thirds being pessimistic about American foreign policy, you have a larger percentage saying maybe it will be better if Iran has nuclear weapons."

This side tends to be pessimistic about China's long-term economic prospects, and worries about the consequences of huge social and political upheavals.
ECONOMIST: Taiwan
We all know that there are many reasons to be pessimistic about the direction of housing prices, the number 1 reason being the lack of credit.
FORBES: Top Ten Reasons to Be Optimistic About Homebuilders
Which is a reason, after all, not to be too pessimistic about America's cultural divisions.
ECONOMIST: The Versace controversy