The -n debugging flag causes make to print a list of things it thinks it needs to do; it's not always correct, but it often gives you an idea of what's wrong.

n 调试标记会导致 make 打印它认为需要做的事情的一个列表；这并不总是正确的，不过通常可以为思考哪些地方出现了问题而提供一些思路。

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To get some insight into what the compiler is doing, try invoking the JVM with the -XX:+PrintCompilation flag, which causes the compiler (client or server) to print a short message every time it runs.

为了深入了解编译器做了什么，请用 -XX:+PrintCompilation 标志调用 JVM，这个标志会使编译器（客户机或服务器）每次运行的时候打印一条短消息。

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Run the snort command with the -v flag, which tells snort to sniff network traffic and print out information to the console.

使用- v标记运行snort命令，这告知snort嗅探网络流量，将信息输出到控制台。

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T-shirt and flag shop owners around the country say they expect to sell out faster than they can print new stock by the time the hosts take on Guinea in the tournament's opening fixture.

BBC: Ghana embraces Nations Cup fever