rigid, strict, rigorous

形容詞 rigorous:

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

1. An instance of rigorous or excessive adherence to recognized forms.
   形式主義的實(shí)例嚴(yán)格或過分地依據(jù)規(guī)定形式的實(shí)例
2. He makes a rigorous study of the plant in the area.
   他對(duì)該地的植物進(jìn)行了慎密的研究。
3. Rigorous or ceremonious adherence to established forms, rules, or customs.
   拘泥形式遵照或順從已被確認(rèn)的形式、規(guī)則或習(xí)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.
   現(xiàn)在她的教師工作團(tuán)——名為教師報(bào)國(guó)團(tuán)——已迅速展開工作。經(jīng)過一番激烈競(jìng)爭(zhēng)之后，2500名申請(qǐng)人中，500名剛從大學(xué)畢業(yè)的被錄取。證明了柯普女士的理論：工作團(tuán)從嚴(yán)錄取將可在大學(xué)生中增加號(hào)召力。

rig.or.ous

adj.（形容詞）
Characterized by or acting with rigor:
嚴(yán)厲的，嚴(yán)格的：以嚴(yán)格為特點(diǎn)的，或嚴(yán)格行動(dòng)的：
例句：
a rigorous program to restore physical fitness.
恢復(fù)身體健康的嚴(yán)格計(jì)劃

Full of rigors; harsh:
嚴(yán)峻的，嚴(yán)酷的：充滿困難的；艱苦的：
例句：
a rigorous climate.
嚴(yán)酷的氣候

Rigidly accurate; precise.See Synonyms at burdensome
嚴(yán)密的，精確的：非常嚴(yán)格準(zhǔn)確的；精確的參見 burdensome

【引伸】
rig.orously
adv.（副詞）
rig.orousness
n.（名詞）