乐观: optimistic; hopeful; sanguin ...的: 4次方是 The fourth power of 2 i ...乐观主义: optimism乐观的, 乐观主义的: optimistic乐观的, 乐观主义的, 乐天的: optimistic乐观主义的: optimistic乐观、乐观主义: optimism乐观主义,乐观: optimism n乐观主义的认识论: epistemological optimism乐观主义: optimism◇乐观主义者 optimist乐观主义者: optimist乐观态度，乐观主义: optimism革命乐观主义: revolutionary optimism乐观主义思想: of knowledge and optimistic thinking乐观主义与悲观主义: optimism and pessimism乐观主义者和悲观主义者: an optimist and a pessimist乐观的: brighter; brightest; c.optimistically; rosy; sanguine - despondent; upbeat乐观主义和如意算盘: wishful thinking过分乐观的: starry-eyed乐观的，欢乐的: upbeat乐观的人: a person who is always hopeful and looks upon the bright side of things; the optimist悲观的, 厌世的, 悲观主义的: pessimistic乐观: optimistic; hopeful; sanguine; hope for the best 对事情的乐观看法 an optimistic view of events; 对成功抱乐观态度 sanguine of success不乐观的前途: a dim future极端乐观的人: pollyanna
