would-be

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What does that mean for you, the would-be traveler?
这对你这样想要旅游之人意味着什么呢？
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A would-be chancellor would have the difficult task of trying to change one party’s mind.
想要成为总理的人有可能面对说服一个政党改变主意的艰巨任务。
His field is hot now and every year he is inundated by applications from would-be graduate students.
他的领域现在很热门,来自即将成为研究生的申请表每年都潮水般地涌向他.

A study was made to decide which would be a better place for the canal -- Panama or Nicaragua.
And frankly it would be incredibly time-consuming and tedious for me, to count this room full of people old school style-- 1, 2, 3 and so forth.
坦白说，按学校的老办法一个人一个人的数,1个，2个，3个……,对我来说极其费时费力。
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I would be--every 5 minutes that person will die, we will have a new person, despite having the same personality.
我会--，每过5分钟,那个人就会死一次，新的一个人又产生了，只不过他拥有同样的人格。
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Several years ago, would-be creditors filed an involuntary bankruptcy against Richard Chakejian of Chester Springs, Pa.
FORBES: Credit Bureaus Wouldn't Cut It On 'CSI'

You can use would-be to describe someone who wants or attempts to do a particular thing. For example, a would-be writer is someone who wants to be a writer.