sure/∫ʊər $ ∫ʊr/

a. certain about sth

ad. used to say “yes” to sb

a. [不能置于名词前] 确信，肯定：“Does he agree?” “I'm not sure.” “他同意吗？” “我说不准。”

◇[sure (that) ...] Are you sure you know the right answer? 你确信你知道正确答案吗？

◇[sure of sth] He is sure of success. 他对成功很有把握。

◇[sure about sth] Are you sure about this? 对此你确定吗？

◇[not sure wh-] I'm not sure whether he will agree. 我不能肯定他是否会同意。

◇[sure to do sth] The plan is sure to succeed. 这个计划肯定会成功。

ad. [表示同意] 当然：“Is it OK if I open the window?” “Sure.” “我可以把窗户打开吗？” “当然可以。”

make sure 确保：[make sure (that) ...] Make sure that everyone gets a copy. 确保每个人都有一本。

常犯错误

“汤姆有信心通过考试。”应译为：

✗ Tom is sure to pass his exam.

✓ Tom is sure of passing his exam.

[✌第一句意为“汤姆肯定能通过考试。”是说话者对汤姆能否通过考试的判断]

辨析certain; sure