rigorous
英 ['rɪg(ə)rəs]
美['rɪɡərəs]
	    - adj. 严格的,严厉的;严密的;严酷的
 
英英释意
- 1. rigidly accurate; allowing no deviation from a standard;
 - "rigorous application of the law"
 - "a strict vegetarian"
 
- 2. demanding strict attention to rules and procedures;
 - "rigorous discipline"
 - "tight security"
 - "stringent safety measures"
 
- 3. used of circumstances (especially weather) that cause suffering;
 - "brutal weather"
 - "northern winters can be cruel"
 - "a cruel world"
 - "a harsh climate"
 - "a rigorous climate"
 - "unkind winters"