楽らく天てん主しゅ義ぎ者しゃらくてんしゅぎしゃMeanings1nounoptimistA person who tends to take a hopeful view of things; often used in contrast with 悲観主義者 (pessimist).彼かれはどんな状じょう況きょうでも前まえ向むきな楽らく天てん主しゅ
