a. 确信, 必然的, 必定的ad. 当然, 确实地, 无疑地相关词组: for sure feel sure that make sure make sure of sth make sure that sure enough to be sure as sure as a gun as sure as eggs is eggs as sure as death as sure as nails as sure as fate as sure as one lives be sure of oneself feel sure of
单词：sure的快速记忆法
◆记忆方法一：
联想方式：su:宿 re:阿姨
记忆方法：宿管阿姨肯定是女的
sure单词用法语法
sure与certain的用法与区别
一、两者在用法上的相同点
两者都可用作表语，表示“一定”或“确信”，有时可互换。互换的场合应注意以下几点用法：
1. 表示说话者的态度或看法
即表示说话者自己的态度或看法，其意为“一定会”“肯定会”。此时主要用法有：
(1) 单独用作表语。如：
One thing was sure [certain]: they'd be late. 有一件事是确定无疑的，他们会迟到。
(2) 后接不定式。如：
He's certain [sure] to win. 他一定会成功。
They're certain [sure] to need help. 他们肯定需要帮助。
If you do this, you are certain [sure] to be found out. 如果你这样做一定会被发现。
2. 表示句子主语的判断或信念
Make sure to bring your sunglasses today. It's really sunny.
今天记得一定要戴上太阳镜，外面太阳很大。
Make sure not to touch the acid--it will burn.
确保不要去碰酸，它会灼伤你。
It was at Grossbart's command I was sure
我敢肯定这是受了格罗斯巴特的指使.
Make sure your object is in focus before taking the photo.
拍照前要确保你的物体对焦。
Oh, sure.
喔，当然可以。
※Talk of the devil, and he is sure to appear. 说鬼鬼到。
※A clear conscience is a sure card. 光明磊落，胜券在握。
※If you would build for your happiness a sure foundation, let the stone for the corner be a good reputation. 若想为快乐奠立可靠的基础，美好的名声便是奠基的石头。
※He who follows two hares is sure to catch neither. 追逐两只兔，两头都落空。
