素人しろうと臭くさい

i-adjective

amateurish; unprofessional; novice-like

Describes something that looks or feels like the work of a beginner, lacking polish or expertise.

• 彼かれの絵えはまだ素人しろうと臭くさいけど、才さい能のうは感かんじる。

  His paintings are still amateurish, but I can sense talent.

• 素人しろうと臭くさいミスをしてしまった。

  I made a rookie mistake.