leave something to be desired

US /liːv ˈsʌmθɪŋ tu bi dɪˈzaɪərd/
UK /liːv ˈsʌmθɪŋ tu bi dɪˈzaɪərd/
"leave something to be desired" picture
1.

有待改進, 不盡如人意

to be unsatisfactory or not as good as expected

:
The quality of the food at the restaurant left something to be desired.
這家餐廳的食物品質有待改進
His performance in the play left something to be desired.
他在劇中的表現有待改進