impractical
英 [ɪm'præktɪk(ə)l]
美[ɪm'præktɪkl]
	    - adj. 不切实际的,不现实的;不能实行的
 
英英释意
- 1. not practical; not workable or not given to practical matters;
 - "refloating the ship proved impractical because of the expense"
 - "he is intelligent but too impractical for commercial work"
 
- 2. not practical or realizable; speculative;
 - "airy theories about socioeconomic improvement"
 - "visionary schemes for getting rich"