They tend to be dangerously brittle — meaning that changes to one area of the system will affect other seemingly unrelated areas — and therefore difficult and time consuming to refactor.

这些系统往往脆弱不堪，也就是说对系统中某个区域的修改将会影响到其它看上去毫不相干的区域，因此要对它们进行重构也相当的困难和耗时。

youdao

Verjuice: Madam, by this time Lady Brittle is the talk of half the town, and I doubt not in a week the men will toast her as a demirep.

沃竺思：夫人，现在大半个镇子都在议论布丽泰尔小姐的事了，我相信用不了一个星期，男人们都会为她这个婚妓干杯了。

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At the same time, how to establish the failure criterion of brittle materials in biaxial stress state is one of people's goal.

与此同时，如何建立脆性材料在双轴应力作用下的破坏准则一直是人们所追求的目标之一。

youdao

Nuclear engineers have long known of increased risks from high burn-up fuels, but scientists at Argonne have been sounding the alarm about storage dangers in recent years after their research ( pdf) showed high burn-up fuels may result in fuel rods becoming more brittle over time.

FORBES: Fancy New Lids for Nuclear Waste Casks, As Contents Get Hotter

Finally, today, after two weeks of limited attacks, British commanders concluded that the government's resistance was brittle and that it was time to begin a major attack.

CNN: Basra offers a lesson on taking Baghdad