negligible
	英 ['neglɪdʒɪb(ə)l]
美['nɛɡlɪdʒəbl]
	    
    英英释意
	
	- 1. so small as to be meaningless; insignificant;
 - "the effect was negligible"
 
- 2. not worth considering;
 - "he considered the prize too paltry for the lives it must cost"
 - "piffling efforts"
 - "a trifling matter"