1.
(of people)quality of being buoyant
（指人）乐观的性情
2.
a sanguine disposition
乐观 [快活] 的天性
3.
especially expressing optimism.
特别是乐观的人生观。
4.
To be stalwart, courageous, or optimistic in the face of difficulty.
乐观，坚定在困难面前坚定、勇敢或乐观
5.
A person regarded as being foolishly or blindly optimistic.
过分乐观者，盲目乐观者被视为愚蠢地或盲目地乐观的人
6.
They professed optimism about the outcome.
他们对结果表示乐观.
7.
We are optimistic about its future.
我们相信前景是乐观的。
8.
An upbeat business forecast.
一份乐观的商业预测
9.
We are an optimistic people.
美国人民是乐观的人民。
10.
unrealistically or naively optimistic.
不实际地或盲目乐观的。
11.
confidently optimistic and cheerful.
愉快自信的和乐观的。
12.
groundless optimism.See Synonyms atbaseless
毫无根据的乐观参见
13.
Such is our optimism.
这就是我们的乐观主义。
14.
preponderantly optimistic
乐观主义占了上风的.
15.
His case is hopeless.
他的病情很不乐观。
16.
an incuraBle optimist
坚定不移的乐观主义者
17.
The business outlook for next year is favorable.
明年的事业展是乐观的。
18.
I'm sanguine of success.
我对成功抱乐观态度。