exacting
英 [ɪg'zæktɪŋ; eg-]
美 
	    - adj. 严格的;苛求的;吃力的
 - v. 逼取;急需(exact的ing形式)
 
英英释意
- 1. having complicated nutritional requirements; especially growing only in special artificial cultures;
 - "fastidious microorganisms"
 - "certain highly specialized xerophytes are extremely exacting in their requirements"
 
- 2. severe and unremitting in making demands;
 - "an exacting instructor"
 - "a stern disciplinarian"
 - "strict standards"
 
- 3. requiring precise accuracy;
 - "an exacting job"
 - "became more exigent over his pronunciation"