rigorous

rigid, strict, rigorous

形容词 rigorous:

1. rigidly accurate; allowing no deviation from a standard
   同义词：strict
2. demanding strict attention to rules and procedures
   同义词：stringent, tight

1. An instance of rigorous or excessive adherence to recognized forms.
   形式主义的实例严格或过分地依据规定形式的实例
2. He makes a rigorous study of the plant in the area.
   他对该地的植物进行了慎密的研究。
3. Rigorous or ceremonious adherence to established forms, rules, or customs.
   拘泥形式遵照或顺从已被确认的形式、规则或习俗
4. Now her teachers corps, called Teach for American is off and running. After a rigorous competition,500 recent college graduates won places out of a field of2,500 applicants, proving Ms.Kopp's theory that making the corps selective would enhance its appeal to college students.
   现在她的教师工作团——名为教师报国团——已迅速展开工作。经过一番激烈竞争之后，2500名申请人中，500名刚从大学毕业的被录取。证明了柯普女士的理论：工作团从严录取将可在大学生中增加号召力。

rig.or.ous

adj.（形容词）
Characterized by or acting with rigor:
严厉的，严格的：以严格为特点的，或严格行动的：
例句：
a rigorous program to restore physical fitness.
恢复身体健康的严格计划

Full of rigors; harsh:
严峻的，严酷的：充满困难的；艰苦的：
例句：
a rigorous climate.
严酷的气候

Rigidly accurate; precise.See Synonyms at burdensome
严密的，精确的：非常严格准确的；精确的参见 burdensome

【引伸】
rig.orously
adv.（副词）
rig.orousness
n.（名词）