awkward(lacking dexterity in the use of the hands) adjective [UK: ˈɔː.kwəd] [US: ˈɑː.kwərd]
clumsy [clumsier, clumsiest](awkward, lacking coordination, not graceful, not dextrous) adjective [UK: ˈklʌm.zi] [US: ˈklʌm.zi]I'm very clumsy. = Soy muy desmañado.
