標ひょう準じゅん以い下か

noun, noun which may take the genitive case particle 'no'

below average; substandard

Used to describe something that falls below a standard or average level, often in evaluations or comparisons.

• 彼かれの成せい績せきは標ひょう準じゅん以い下かだった。

  His grades were below average.

• この製せい品ひんの品ひん質しつは標ひょう準じゅん以い下かだ。

  The quality of this product is substandard.