実(じっ)験(けん) jikkenの no結(けっ)果(か) kekkaは wa今(いま)ひ()と()つ() imahitotsuぱっとしなかった pattoshinakatta。 The experiment results weren't all that impressive. Literal Experiment [possessive-の] results [topic-は] not-quite impressive-not-were. 今ひとつ 'not quite, somewhat lacking' softens the criticism. ぱっとしなかった 'wasn't impressive, didn't stand out' — ぱっと is a 擬態語 for something flashy or eye-catching, and しない negates it. Together they politely express disappointment. schoolscience
実(じっ)験(けん) jikkenの no結(けっ)果(か) kekkaは wa今(いま)ひ()と()つ() imahitotsuぱっとしなかった pattoshinakatta。 The experiment results weren't all that impressive. Literal Experiment [possessive-の] results [topic-は] not-quite impressive-not-were. 今ひとつ 'not quite, somewhat lacking' softens the criticism. ぱっとしなかった 'wasn't impressive, didn't stand out' — ぱっと is a 擬態語 for something flashy or eye-catching, and しない negates it. Together they politely express disappointment. schoolscience