wǎng / luò / guǎn / lǐ / yuán / zhèng / zài / jiǎn / chá / huǒ / qiáng / shì / fǒu / zhèng / cháng / gōng / zuò

网络管理员正在检查火墙是否正常工作。

The network administrator is checking whether the firewall is working properly.