She felt like a fifth-grader who had snitched on a classmate.

她觉得自己就像个打同学小报告的小学五年级学生。

《柯林斯英汉双解大词典》

Karen Sue, the Chinese-American mother of a fifth-grader and an eighth-grader, believes the competition within the district has gotten out of control.

凯伦·苏是一位美籍华裔母亲，两个孩子分别在上五年级和八年级，她认为该区内的竞争已经失控。

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Fifth-grader Lucy Thao, 10, is proud of their father's service.

五年级的露西邵族，10日，感到自豪的是其父亲的服务。

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If found out, a fifth-grader could lose his or her high school athletic eligibility.

FORBES: Indiana Warns 10-Year-Olds: Being Recruited Now Means No High School Sports Later

Chances are good that if you are a successful professional today, you were a pretty bright fifth-grader.

FORBES: The Trouble With Bright Kids

Twelve years ago, Rocio Mendoza entered KIPP Academy as a fifth-grader in Houston.

FORBES: 01.23.08, 6:00 PM ET