underachieved
v.
学习成绩不良，未能发挥学习潜能（underachieve的过去式与过去分词形式）;
例句:
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Some people might think I've underachieved in my job.
有些人可能会认为我的才华在目前的工作中没能充分施展出来。
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He underachieved and was very unfortunate to have been playing in the Hendry era.
他发挥地并不是很好,并且很不幸地在碰上了亨得利的时代.
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Toronto Raptors ( 770.40 ) - Even the rabid Toronto fans would agree that the Raptors have severely underachieved.
多伦多猛龙队 ( 770.40 ) — 即使是疯癫的多伦多球迷也会承认猛龙的确是远远达不到及格线.
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I have a child who I call an underachieved gifted child.
来自SA
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Most of his past high-visibility proposals have underachieved or disappeared in Congress.
来自WSJ