Last year, he was ranked second in his age group.

他去年在他的年龄段排名第二。

《牛津词典》

The Chinese workers ranked second were the only group named.

中国农民工位居亚军，是唯一上榜的群体。

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The higher a person ranked within his age group or neighborhood, the more status he had and the happier he was regardless of how much he made in dollars (or, in the study's case, pounds).

一个人在他的年龄组或邻里内排名越高，他就越有地位并越快乐，倒和他赚多少美元（或者像这个例子所说的，是英镑）没多大关系。

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On another matter, Jones said the United States is nearly certain that an American missile strike in Pakistan last week killed the top-ranked Taliban leader in the country, and that a leadership struggle has since emerged within the militant group.

VOA: standard.2009.08.09

The third, fourth and fifth-ranked Heineken Cup group runners-up will play in the Challenge Cup quarter-finals.

BBC: European Challenge Cup revamped

Meaning that group one, the best ranked companies, did better than group two.

FORBES: Intelligent Investing

The researchers were able to control where in a group an individual ranked by the order in which it was introduced into its group (newly introduced monkeys almost always adopt a role subordinate to existing group members).

ECONOMIST: Social status and health