1.重要文件已经加密。
Important files have been encrypted.
2.使用U盘前要先杀毒。
Kill the virus before using USB flash disk.
3.你的电脑需要定期维护产。
Protect your computer at regular intervals.
4.网络安全问题日益突出。
Network security problems are increasing.
5.重要数据要及时备份。
Import data need backup.
6.你要定时更新病毒库。
Upgrade the antivirus system at fixed times.
7.不要上传你的个人信息。
Don't upload your personal information.
8.网络诈骗愈演愈烈。
Network fraud is getting worse.
9.你的电脑存在安全漏洞。
There are security flaws in your computer.
IO.他完全不懂网络安全。
He has no idea of network security.
11.在线支付可以节省邮资。
Paying your bills online can save postage.
12.网络安全问题不容忽视。
Network security problems can't be ignored.
13.她的密码被窃取了。
Her passwords have been stolen.
14.你的电脑已经被远程操控。
Your computer was under long-range control.
15.密码是网络安全的核。
Passwords are the core of network security.
16.网络购物时一定要谨慎。
You should be careful when shopping online.
17.你的杀毒软件管用吗?
Does your antivirus softwar work?
18.病毒使我的电脑崩溃了。
My computer collapsed because of virus.
19.我已经把关键数据恢复了。
I have already retrieved the key data.
20.反病毒是网络安全的内容。
Antivirus is the content of network security.
21.这种电脑病毒传播很快。
This kind of virus spreads fast.
22.杀毒软件保障你的上网安全。
Antivirus software can guarantee online safety.
23.上网时要小心，据说一种新的病毒开始在网络上蔓延。
It is said a new kind of virus is spreading online so be careful when surfmg the Internet.
24.据统计大约有1/5的电脑用户都感染了这种病毒。
It is estimated that about l/5 0f the computer users have been affected by the virus.
25.你知道计算机病毒的传播途径主要有哪些吗?
Do you know the main spreading routes of computer virus?
终极加油站：
encrypt(加密)at regular intervals(定期)backup(备份)online fraud(网络诈骗)security flaw(网络漏洞)retrieve(恢复)spread(传播)
