大学英语：ensure ： vt. 保证，保护;赋予

用法：ensure sb. that 确保…。 ensure sth.

　　I can ensure that he will come at 12 o'clock.我能保证他将在12点钟来。

　　他的才能将保证他得到成功。 His ability will ensure his success.

　　7. oppose vt. 反对

　　派生词：opposition n. 反对;opponent n. 对手

　　用法：be opposed to 反对，

　　We are firmly opposed to this dirty political deal. 我们坚决反对这场肮脏的政治交易。

　　What he said was totally opposed to the facts. 他说的与事实完全相反。

　　He is very much opposed to my going abroad . 他非常反对我出国。

　　区别：oppose 与be opposed to

　　They opposed the plan. 他们反对此计划。(表示动作)

　　They were opposed to the plan 他们反对此计划。(表示态度)