It means Mr Brown is considered by experts to be the biggest primeministerial failure for more than 45 years.
那么布朗就被评为了45年多来最差首相。
2
The prime minister's initial ministerial appointments haven't pleased all his supporters.
这位首相最初的部长任命没有令他所有的支持者都满意。
《柯林斯英汉双解大词典》
3
Others say the Tories may do better to rely on their established strengths: their reputation for economic management and Mr Cameron's prime-ministerial qualities.