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 Why are you so bright and cheerful today?
 - 你今天怎么这么高兴? 《牛津词典》
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 He was a cheerful and uncomplaining travel companion.
 - 他是一个快乐的不抱怨的旅伴。 《柯林斯英汉双解大词典》
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 Nobody could make me cheerful.
 - 没有人能使我高兴。 
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 You don't look particularly cheerful.
 - 你看上去不太高兴。 
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 Dickon's curly mouth spread in a cheerful grin.
 - 狄肯嘴咧开弯弯的嘴角,露出愉快的笑容。 
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 The captain's cheerful laugh dispelled our fears.
 - 船长愉快的笑声消除了我们的恐惧。 《新英汉大辞典》
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 People with type B blood are cheerful and outgoing.
 - B 型血的人开朗外向。 
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 Caring, outgoing, and cheerful people usually sit in the middle.
 - 有爱心、外向、开朗的人通常坐在中间。 
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 Bright and cheerful, my niece longed to teach high-needs children.
 - 我的侄女聪明开朗,渴望教有高需求的孩子。 
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 "How lighthearted I feel," said the father, "so pleased and cheerful."
 - “我感到非常高兴,”父亲说,“非常高兴和愉快。” 
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 She had not felt as if she looked cheerful when she gazed at the tree.
 - 当她凝视着那棵树的时候,她觉得自己并不能装出感到高兴的样子。 
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 She never looked really cheerful and her eyes never sparkled merrily as before.
 - 她从来没有真正高兴过,她的眼睛也从来没有像以前那样高兴得闪闪发光。 
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 We've found him ourselves, miles from home, and quite self-possessed and cheerful!
 - 我们自己就找到过他,离家好几英里,他很镇定,也很高兴! 
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 This attractive tour takes you to some of San Francisco's most cheerful holiday scenes.
 - 这个行程非常吸引人,你可以去到旧金山一些最令人愉快的度假景点。 
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 Paddy was always cheerful and jolly.
 - 帕迪总是很高兴,很开心。 《柯林斯英汉双解大词典》
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 He made a weak attempt to look cheerful.
 - 他有气无力地摆出高兴的样子。 《牛津词典》
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 You're not your usual cheerful self today.
 - 你今天不像往常那么快快乐乐的。 《牛津词典》
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 He felt bright and cheerful and full of energy.
 - 他感到兴高采烈,浑身充满活力。 《牛津词典》
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 This room would look more cheerful for a spot of paint.
 - 这个房间油漆一下就会显得更加悦目。 《牛津词典》
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 The nursery is bright and cheerful, with plenty of toys.
 - 该托儿所明亮宜人,有许多玩具。 《柯林斯英汉双解大词典》
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 There is little evidence to support his cheerful assumptions.
 - 几乎没有证据来支持他乐观的设想。 《柯林斯英汉双解大词典》
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 He felt homesick, but made a brave attempt to appear cheerful.
 - 他很想家,但却竭力表现得很高兴。 《牛津词典》
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 He's amazingly cheerful considering all he's had to go through.
 - 经历了种种磨难,他还那么乐观,令人惊叹。 《牛津词典》
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 Mike's changed since he came back – he seems positively cheerful.
 - 迈克自从回来后就变了–他看上去真是喜气洋洋。 《柯林斯英汉双解大词典》
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 You would never guess (that) she had problems. She's always so cheerful.
 - 你怎么也猜不到她有难以解决的问题。她总是那么乐观。 《牛津词典》
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 She's had a lot of problems since her husband died but she seems quite cheerful, all things considered.
 - 自从丈夫死后,她面临很多困难,但总的来说她看上去情绪还是挺乐观的。 《牛津词典》
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 He was cheerful and friendly.
 - 他性格开朗,待人友好。 
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 Try to be cheerful and enjoy things.
 - 试着快乐起来,享受生活。 
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 She didn't appear to hear, and was certainly quite cheerful.
 - 她似乎没听见,所以很高兴。 
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 He showed how crows call when they are happy and cheerful.
 - 他向人们展示了乌鸦在高兴的时候是怎么叫的。