いまいちだ・大したことない
This restaurant is not that great.
この店はいまいちです
This restaurant is not as good as I expected.
この店は期待と違っていまいちです
Having eaten there myself, this restaurant is not as good as I expected.
私が食べてみると、この店は期待と違っていまいちです
Having eaten there myself with my family, this restaurant is not as good as I expected.
家族と一緒に私が食べてみると、この店は期待と違っていまいちです
Having eaten there myself with my family at lunch today, this restaurant is not as good as I expected.
今日の昼に家族と一緒に私が食べてみると、この店は期待と違っていまいちです