am·a·teur·ish /ˈæmətərɪʃ, -tʃʊə-, -tʃə- ˌæməˈtɜːrɪʃ $ ˌæməˈtʊr-, -ˈtɜːr-/ adjectiveadj BAD BEHAVIOUR OR ACTIONSnot skilfully done or made 不熟练的,外行的 OPP professional His paintings are rather amateurish. 他的画作水平相当业余。
—amateurishly adverbadv
—amateurishness noun [uncountableU]