n.保证，担保；确信；自信；保险
He gave me assurance in black and white. 他给了我书面保证。
I have full assurance of his honesty. 我完全相信他的诚实。
He gave me a definite assurance that the repairs would be finished tomorrow. 他给我确切保证，修理将于明日完工。
assurance的基本意思是“保证,担保,确信”,常与介词about, of等连用,也可接that引起的同位语从句,从句中谓语动词可用虚拟式。
assurance还可作对自己能力、力量、方法等的“把握,自信”解,是不可数名词。
n.再保证；再安慰
