become hard

基本解释

It has become hard for investors to separate fact from fiction.
现在情况已变得让投资者难以区分事实与假象。
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It can become hard to find the actual program logic in all that error recovery code.
在大量错误复原代码中，很难发现实际的程序逻辑。
As the design evolves to meet new needs, key objects are loaded with pattern roles until they become hard to use or hard to change and the system has to be refactored or rewritten.
为了满足新的需求，设计也在不断演化，关键对象承担着各种模式角色，直到它们变得难以使用或者难以修改，最终不得不重构或者重写系统。

However,snow can become hard and flat as it becomes older or if there have been strong winds.
They evolve to become very dense, hard, pustular lesions, which are filled with what turns out to be tissue debris.
它们逐渐变成粘稠,发硬,产生脓包状的伤痕,而这些粘稠的脓事实上是组织残骸
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And I can be that standing in my own faith because really what you become is an example, a model of an engaged faithful person who is now working so hard to bring people different religion traditions together."
我能坚持自己的信仰,因为你成为的那个人是,一个有信仰的人，他正在致力于,使不同的宗教传统融合“
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When they are very, very small, materials, such as copper, that are soft can become hard.
ECONOMIST: The risk in nanotechnology