amateurish
🇺🇸
/ˈæmətərɪʃ/
🇬🇧
/ˈæmətərɪʃ/
looks like it was done by someone without professional skills
The painting was so amateurish that no one believed it was done by a famous artist.
그림이 너무 아마추어 같아서 아무도 유명한 예술가가 그렸다고 믿지 않았습니다.