phreaking
n. 电话黑客：一种通过操纵电话系统进行非法活动的行为，如免费拨打长途电话、窃听电话线路等。
例句
Consequently, early BBSs were very locally oriented systems, but before too long the limitations gave birth to phone phreaking and other hacks.
因此，早期的BBS完全是面向本地的系统，但很快，这些限制就产生了盗用电话线路和其他一些技巧。
