不ふ成せい績せき

na-adjective, noun

poor result; bad record; failure

Refers to an unsatisfactory outcome or performance, often in academic, professional, or competitive contexts. Can be used as a noun or adjectival noun.

• 今こん回かいの試し験けんは不ふ成せい績せきに終おわった。

  This exam ended with a poor result.

• 彼かれの不ふ成せい績せきな態たい度どが問もん題だいだ。

  His poor performance attitude is a problem.