練れん習しゅう不ぶ足そく

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

lack of practice; insufficient training

Used when someone hasn't practiced enough, often resulting in poor performance. Can be used as a noun or with の to modify another noun.

• 試し合あいに負まけたのは練れん習しゅう不ぶ足そくのせいだ。

  Losing the match was due to lack of practice.

• 彼かれの演えん奏そうは練れん習しゅう不ぶ足そくが明あきらかだった。

  His performance clearly showed insufficient practice.