更多意思
adj.1.  [作表语]确定,肯定,确实,确信
2.  某,某种, 某(人),某(事)
3.  轻微的,微小的, 一点
n.certain of 有些..., 某些...
参考例句
1. | You alluded to certain developments in your speech -- what exactly did you mean? |
| 你在讲话中提到某些发展-确切的意思是什么呢?
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2. | Her French upbringing gives her certain advantages over other students in her class. |
| 她有法国式的教养,使她比班上其他同学略胜一筹。
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3. | Early man shows certain affinities with the ape. |
| 早期的人类和猿有某些相似之处。
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4. | I feel a certain apprehension about my interview tomorrow. |
| 我对明天的面试感到有些担心。
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5. | Certain problems were apparent from the outset. |
| 有些问题从一开始就是显而易见的。
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常用词组
for certain   确定,肯定, 无疑
to a certain extent   在定程度上, 在某种程度上