80　assure和ensure

① assure（make sb. feel less worried，make sb. believe）使……放心，使相信。

She assured me that she would try her best to help us. 她让我们放心，她会尽全力帮助我们的。

They assured us of the soundness of the plan. 他们让我们放心，那项计划是可靠的。

I am assured of his success（that he will succeed）. 我相信他会成功的。

② ensure（make certain that something happens）保证。

I can not ensure you a good job. 我不能保证你能得到一份好工作。

She came early to ensure getting a good seat. 她来得早，以便确保得到一个好的位子。

Her ability will ensure success to/for her. 她的能力保证她能成功。