to fall on one’s sword 主动承担责任（俚语）

英文释义

To sacrifice oneself; to take responsibility for a failure, and thereby prevent either another person or one’s organization from suffering the consequences of that failure.

例句

After the accounting scandal in our company, our president offered to fall on his sword and resign, but the board of directors persuaded him to stay.

在公司发生会计丑闻后，我们的总裁主动将责任揽在自己身上并提出辞职，但董事会劝他留下。