释义
a. 乐观的,乐观主义的
例句
1. 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 2. We are still optimistic, whatever the result (may be). 我们仍然乐观，不论结果如何。