You must be convinced of your success.

你必须确信自己能成功。

It is a wonder that he shouldn't be convinced of his mistakes.

说也奇怪，他竟然认识不到自己的错误。

On closer investigation you will be convinced of his dishonesty.

一经仔细调查，你就会相信他的不诚实。

People using controls must be convinced of the need for security;

使用这些控制方法的人必须认识安全的必要性；

He has yet to be convinced of the merits of self-repairing tunnels, however.

不管怎样，他仍然相信自动维修隧道的好处。