否定・回避N1
今ひとつ〜ない
not quite... / somehow not... / lacking something
Structure
今ひとつ + い形／動詞ない形／N + だ
Explanation
Somehow not quite good enough; followed by a negative or lukewarm evaluation.
Examples
このレストランの味は、今ひとつだ。
The food at this restaurant isn't quite up to par.
説明を聞いても、今ひとつよく分からない。
Even after the explanation, I don't quite understand.
Note
Also written 今一. A vague negative evaluation (just short of good); not a complete negation.
Related Grammar
〜今一〜いまいち