Inexperienced avocational nonprofessional Sunday naïve backyard amateurish unskilled unprofessional primitive unprepared naive self-taught untutored dilettante unschooled untrained weekend uninitiated jackleg part-time inexpert untaught unqualified 外行;粗通（某一行）的人 I won't be giving them any more work - they'Response a bunch of amateurs. 我有活也再不给他们干了，简直就是一帮外行... https://edgart592mtz3.wikimidpoint.com/user