no-good /ˈnoˈgʊd/
  (a.)毫無用處的毫無用處
  no-good
       adj 1: without merit; "a sorry horse"; "a sorry excuse"; "a lazy
              no-count, good-for-nothing goldbrick"; "the car was a
              no-good piece of junk" [syn: good-for-nothing, good-for-naught,
               meritless, no-account, no-count, sorry]
       2: returned for lack of funds; "a rubber check"; "a no-good
          check" [syn: rubber]