a secure foundation

巩固之基础。

The bridge does not look secure.

这桥似不稳固。

to secure oneself against loss

防止自己遭到损失。

The officer in charge secured the camp against attack.

负责的官员保护露营地免受攻击。

The bank required collateral to secure the loan agreement.

银行要求担保物以担保贷款协定。

They secured the windows when the storm began to blow.

当暴风雨开始吹袭时，他们把窗户弄牢。

He's lucky to have secured himself such a good job.

他获得这么一份好工作，真是幸运。

The murderer was secured at last.

凶手终于被捕了。