This operation failed silently, with no error message.

这个操作悄无声息地失败了，没有给出任何错误消息。

youdao

A set properties operation failed. Problem properties follow.

设置属性操作失败。接着是问题属性。

youdao

The operation failed. Consult the Backup Report for more details.

操作失败。有关详情，请参阅备份报告。

youdao

But the operation failed to retrieve the two soldiers.

BBC: Q&A: Gilad Shalit capture

After two rounds of quantitative easing, and after Operation Twist failed to spur a significant and lasting economic revival, it appears the Fed is out of bullets.

FORBES: Magazine Article

Doug Suttles, chief operating officer of BP's exploration and production division, denied the operation had failed and said the company was trying to figure out a way of providing heat at a depth of 5, 000 feet to melt the crystals.

WSJ: BP's Preparedness for Major Crisis Is Questioned