Japanese phrase
___では困ります。 ___ de wa koma ri ma su
Meaning
___ would not work for me.
When to use it
Politely says that a proposed choice cannot be accepted. It is firm but less blunt than a direct refusal.
Example dialogue
明日の朝では困ります。 asu no asa de wa koma ri ma su
Tomorrow morning would not work for me.
では、午後にしましょう。 de wa go go ni shi ma shō
Then, let's schedule it for the afternoon.