e sure that/of确定,一定
make sure(that)弄清,确定查明
be for sure肯定
sure way/means有把握的方法
a sure thing肯定会发生的事
be sure to do（口）一定（务必）要做某事
to be sure（英 口）不能否定,诚然
for sure（口）确定,肯定
sure as eggs are eggs(英,旧)的的确确,千真万确,毫无疑问
as sure as hell（口,尤美）绝对,肯定
have/get a sure hold/footing 抓紧,站稳