sure这个单词可译为“当然。的确。可靠的。必定的”等意思，在句子中可作形容词或副词使用，与不同的介词（单词）组合在一起，翻译出来也会有不一样的意思。

众趣文化拓展详细内容:

1.sure of 意为“肯定。肯定的”。I hope you are sure of your facts. 我希望你能肯定你说的都是事实。

2.is sure to 意为“一定（表强调）”。With over 80 beaches to choose from, you are sure to find a place to lay your towel. 有八十多个海滩可供挑选，你一定能找到一个晒日光浴的地方。

3.sure enough 意为“果然（一般用于讲故事）”。We found the apple pie pudding too good to resist. Sure enough, it was delicious. 我们觉得这块苹果馅饼布丁令人无法抗拒。果然，它很美味。

4.sure of yourself 意为“自信”。I'd never seen him like this, so sure of himself, so in command. 我从未见过他像这样，如此自信，如此得心应手。

5.make sure that 意为“核实。确保”。He looked in the bathroom to make sure that he was alone. 他往那间浴室里看了看，以核实那就他一个人。