certain-主題

certain

['sə:tn]

adj.確定的, 肯定的, 某事, 某人, 某種, （與人名連用,表示不認識此人）一位叫..., 特定的, 輕微的, 微小的
pron.某些, 某幾個

例句與用法：

For certain reasons I will be unable to attend the meeting.

因為某種原因，我不能出席這次會議。

I can't say for certain when he will arrive.

我說不準他什麼時候會來。

It's certain that every effect must have a cause.

無疑，每個結果必定有其原因。

英文解釋:

形容詞 certain:

definite but not specified or identified

having or feeling no doubt or uncertainty; confident and assured

同義詞：sure

established beyond doubt or question; definitely known

certain to occur; destined or inevitable

同義詞：sure

established irrevocably

同義詞：sealed

reliable in operation or effect

同義詞：sure

exercising or taking care great enough to bring assurance

同義詞：sure

同義詞

sure | particular | some | special | positive | definite | decided | decisive | insistent | conclusive | confirmed | destined | demonstrable | unavoidable | inevitable | unquestionable | factual | real | true | fated | especial | confident | convinced | evident | dependable | specific | individual | a number of | a few | several | selected | a variety of | sealed |

反義詞

uncertain | doubtful |

以上來源於大辭典