1.学校学习成绩低于智力商数的学生;
1.someone who is not as successful as they could be in work, school, etc.
2.The derivative of underachieve
1.Deemed an underachiever in school, Qiu began reading on his own and subsequently began to write and paint.
他自幼对正规学业不感兴趣，反而喜欢自学，后来从事写作、绘画。
2.A recent World Bank study noted that "China has gone from being an overachiever to being an underachiever" in terms of health improvements.
世行近期的一项研究指出，从改善健康看，“中国已从先进变为了后进”。
3.While intelligent (with an I. Q. of 116), he was an underachiever who was quick to lose his temper.
尽管聪明（智商116），但是他却是一个老发脾气的后进生。
4.specially regarding frequently the underachiever who treats coldly , we do not want " o stint " our smile.
特别对于经常被冷落的后进生，我们不要“吝惜”自己的微笑。
5.He described his childhood self-a little boy loser and constant underachiever.
他描述了他自己童年——一个失败并且总是表现不理想的小男孩。
6.If the solar system has an underachiever, it has to be Venus.
如果太阳系中有一个“失败者”，那它一定是金星。
7.once the underachiever obtains teacher in charge ' s smile , they will treat as it the most precious gift.
后进生一旦得到班主任的微笑，他们会把它当作最珍贵的礼物。
8.zhengzhou , an ancient city on the yellow river plains of central china , has long been an underachiever.
郑州是中国中部黄河流域平原地带的一座古城，长期以来，其经济发展不尽人意。
9.in the unceasing praise , underachiever ' s self - confidence will set up gradually.
在不断的表扬中，后进生的自信心会渐渐树立起来。
10.The result suggests we can transform the underachiever middle school students in chemistry through the method of the face-to-face teaching.
对上述个案的研究实践表明通过个别帮教的方法可以较好地对中学化学学业不良学生实施转化。