我们必须不惜一切代价取得成功。

We have to succeed ___at ___all ___costs.

他决心不惜一切代价挽救她的生命。

He was determined to save her life ___at ___all ___costs.

必须不惜一切代价完成这项任务。

The mission must be completed ___at ___all ___costs.