1.
N-COUNT
（初到某地或初出茅庐却）自命不凡的家伙 You can refer to someone as an upstart when they behave as if they are important, but you think that they are too new in a place or job to be treated as important.
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Many prefer a familiar authority figure to a young upstart.
很多人都更愿意跟自己熟悉的权威人物打交道，而不是一个年纪轻轻却自命不凡的家伙。
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...an upstart who had come from nowhere.
原本是个无名之辈的目中无人的新丁
- Noun
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1. an arrogant or presumptuous person
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2. a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class
- synonym： parvenu，nouveau-riche，arriviste
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3. a gymnastic exercise performed starting from a position with the legs over the upper body and moving to an errect position by arching the back and swinging the legs out and down while forcing the chest upright
- synonym： kip
- Adjective
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1. characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position
- synonym： nouveau-riche，parvenu，parvenue，upstart(a)
体育
- 1.崛起者
金融
- 1.暴发户
- 1. You cannot marry that young upstart!
- 你可不能嫁给那个年轻的暴发户！
来自《简明英汉词典》
