(資料圖)

樂(lè)觀的英文：
optimistic
hopeful
be positive

參考例句：
groundless optimism.
毫無(wú)根據(jù)的樂(lè)觀A sanguine disposition
樂(lè)觀[快活]的天性The best physicians are Dr. Diet, Dr. Quiet and Dr. Optimistic.
節(jié)食、恬靜、樂(lè)觀是最好的醫(yī)生。Look on the sunny side of everything
對(duì)每件事都抱樂(lè)觀態(tài)度I"m sanguine of success.
我對(duì)成功抱樂(lè)觀態(tài)度。All year she has fluctuated between optimism and despair.
全年當(dāng)中她時(shí)而樂(lè)觀，時(shí)而消沉。"a cheerful person, to all appearances."
就表面跡象而論,是一個(gè)樂(lè)觀的人He has a sanguine attitude to life.
他對(duì)於人生有樂(lè)觀的看法。I then made some groundless remarks, assessing the situation over-optimistically
然后，我毫無(wú)依據(jù)地對(duì)形勢(shì)作出了過(guò)于樂(lè)觀的分析。I really admire her indomitable optimism and can-do spirit.
我實(shí)在佩服她不屈不撓的樂(lè)觀態(tài)度和苦干的精神。

optimistic是什么意思：
adj. 樂(lè)觀的，樂(lè)觀主義的
You have to be an optimist to be an inventor or entrepreneur.
要成為一位發(fā)明家或企業(yè)家，你必須得是個(gè)樂(lè)天派。 The timetable was hopelessly optimistic.
時(shí)間表制定得過(guò)于樂(lè)觀。An optimist sees the rose; a pessimist the thorn
〞樂(lè)觀的人看到玫瑰,悲觀的人只看到它的刺〞

hopeful是什么意思：
adj. 有希望的；有前途的
n. 有成功希望的人
Hope is the root of hopeful.
hope是hopeful的詞根。 This is a hopeful sign.
這是一個(gè)樂(lè)觀的信號(hào)。We are hoping against hope for a change in her condition.
我們希望她的病情有一絲轉(zhuǎn)機(jī)。

positive是什么意思：
n. 正數(shù)；正面；陽(yáng)極；實(shí)在的事物
adj. 確定的；積極的；完全的；原級(jí)的；正的；陽(yáng)性的
Moon is a positive.
月球是個(gè)實(shí)在的事物。It is the positive of the battery.
這是電池的陽(yáng)極accessible position
可到達(dá)的位置