optimist

Describes someone who is always optimistic, regardless of the circumstances.

Similar to 'eternal optimist', often used humorously to describe someone whose optimism cannot be changed.

Describes someone who is foolishly or unrealistically optimistic.

总是那么乐观

A fixed phrase used to describe someone's characteristically optimistic reaction or statement.

一个固定短语，用于形容某人典型的乐观反应或陈述。