certain/'sɜːtən $ 'sɜːr-/

➊ particular but not named or described exactly

➋ having no doubt about sth

➌ extremely likely

a.

➊ [仅置于名词前] 某个；某些：Certain members of the party may disagree with me. 该党派内的某些成员可能与我意见不一致。

◇to a certain degree 在某种程度上

◇a certain Mr Smith 一位史密斯先生

➋ [不能置于名词前] 确信的，无疑的：[sb is certain (that) ... ] I am certain she will succeed. 我确定她会取得成功。

◇[sb is certain about/of sth] Are you certain about that? 你对此确信无疑吗？

◇[sb is certain wh-] I am not certain when we will set out. 我不能确定我们何时出发。

➌ 一定会的：[certain to do sth] He looks certain to pass the exam. 看起来他定可以通过考试。

◇[It is certain (that) ...] It is certain that they will come. = They are certain to come. 他们肯定会来。

certain

certainly

uncertain

certificate

音组-tain/-tən/

Britain; certain; curtain

常犯错误

✗ There are some certain places animals dislike.

✓ There are certain places animals dislike.

[✌some和certain都可表示“某些”，不能重复使用]

常犯错误

✗ It is certain of raining tomorrow.

✓ It is certain/sure to rain tomorrow.

✓ It is certain that it will rain tomorrow.

辨析certain; sure