optimism

['ɔptimizəm]

n.乐观, 乐观主义

例句与用法：

Her mood varied from optimism to extreme depression.

她的情绪由乐观一变而为极度消沉。

He swings from wild optimism to total despair.

他由极其乐观一变而为完全绝望。

At the outset of her career she was full of optimism but not now.

她事业伊始十分乐观，但现在已今非昔比了。

They professed optimism about the outcome.

他们对结果表示乐观。

I would caution against undue optimism.

我奉劝不要过于乐观。

Pessimism, when you get used to it, is just as agreeable as optimism.

悲观主义者，当你习惯它之后，就和乐观主义者一样令人惬意了。

详细释义：

n.

乐观主义[U]

At the airport, he expressed optimism about the talks.

在机场上, 他对谈判表示了乐观。