Accessing the null pointer is very dangerous, as it might crash your program.

访问空指针是非常危险的，因为它可能使您的程序崩溃。

youdao

The problem with this approach is that, like signaling errors for bad constructor calls, the programmer will have no way of predicting that a given run of his program will crash.

该方法的问题是，和为错误的构造函数调用报告错误一样，程序员将无法预知其程序的某一次运行将崩溃。

youdao

The program continues to run, but performance is slow, or it takes too long to determine which of the above is the last message before the crash.

该程序继续运行，但是性能降低了，或者需要花费更多时间来判断崩溃之前哪一条是最后的消息了。

youdao

The main reason it was able to counter the unexpected threat of improvised explosive devices in Iraq was that the Pentagon launched a crash program to build thousands of heavily-protected trucks.

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While PCs have traditionally been the computer of choice in a majority of business environments, Macs and iOS devices are starting to crash Microsoft's party -- and a program like Parallels (and Parallels Mobile) makes it much easier to accomplish everything on one computer.

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The Navy's choice is clear: develop and acquire N-UCAS now, in a low risk, cost-effective manner, or make the false economy of cutting funding now and then developing N-UCAS as a high risk, crash program later.

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