failtests

例句：

1. 1.The team's performance in the final failed tests their expectations.
   团队在最后阶段的测试中的表现未能达到预期。
2. 2. The company has been conducting several failed tests on its new product.
   该公司一直在对其新产品进行几次失败的测试。
3. 3. The engineers have conducted several failed tests to identify the root cause of the problem.
   工程师们进行了几次失败的测试，以找出问题的根本原因。