屡遭失败 meaning in English

suffer defeat after defeat

His failures often left him depressed
他屡遭失败，经常令他抑郁消沉。
In spite of all obstacles and failures , the scientist persevered with his experiments
尽管阻力重重并屡遭失败这位科学家还是坚持试验。
The main reason that causes a lot of projects of the software enterprises repeat failed is the following : first , lack the effective software process management system , rely on the software designers and developers too much ; second , not mostly set up perfect quality security system , ignore the important function of software testing
许多软件企业项目屡遭失败的主要原因，一是缺乏有效的软件过程管理体系，过多地依赖软件设计与开发者的个人素质；二是大多没有建立起完善的质量保障体系，忽视软件测试的重要作用。