注意力不集中的
scatterbrained adj 1: lacking sense or discretion; "his rattlebrained crackpot ideas"; "how rattlepated I am! I've forgotten what I came for"- Glenway Westcott [syn: {rattlebrained}, {rattlepated}, {scatty}] 2: absent-mindedly irresponsible; "he said I was too flighty to be a good supervisor" [syn: {flighty}, {head-in-the-clouds}]