Japanese phrase
___を延期できますか？ ___ o en ki de ki ma su ka
Meaning
Could we postpone ___?
When to use it
Politely asks to move a planned event to a later time. It sounds considerate and works when a schedule change needs the other person's agreement.
Example dialogue
提出期限を延期できますか？ tei shutsu ki gen o en ki de ki ma su ka
Could we postpone the submission deadline?
一日なら延ばせます。 ichi nichi na ra no ba se ma su
We can extend it by one day.