Definition
To accept an offer as it is or reject it entirely, without negotiation.
要要，不要拉倒；不要就算了
This is my last offer for the car, take it or leave it.
這是我對這輛車的最後報價，要就接受，不要就算了。
The company's salary offer is as it is, you have to take it or leave it.
公司提供的薪資就是這樣，你要麼接受，要麼放棄。
I'm not changing my plans any further, take it or leave it.
我不會再改變我的計劃了，要麼接受，要麼放棄。