take it or leave it
US /teɪk ɪt ɔːr liːv ɪt/
UK /teɪk ɪt ɔːr liːv ɪt/

1.
受け入れるか拒否するか, 選択の余地なし
used to say that someone must make a decision quickly about something, and that no other offers or changes will be made
:
•
This is my final offer, take it or leave it.
これが私の最終提案です、受け入れるか拒否するかです。
•
I told him it was take it or leave it, and he took it.
私は彼に受け入れるか拒否するかだと言ったら、彼は受け入れた。