major fault

例句：

1. 1. The team's performance was marred by several major faults.
   团队的表现被几个主要错误所玷污。
2. 2.The engineer found a major fault in the design of the bridge.
   工程师在桥梁的设计中发现了主要的缺陷。
3. 3. The company's financial report revealed several major faults that needed to be addressed.
   公司的财务报告揭示了一些需要解决的问题的主要错误。