certain

adj.

1.確實；肯定；確定

2.確信；確定；無疑

3.（不提及細節時用）某事，某人，某種

4.（與人名連用，表示說話者不識其人）某某，某位，一位叫...的

5.輕微的；微小的；顯而易見卻難以描述的

pron.

（不提及人或事物的名稱時用）某些

比較級：more certain 最高級：most certain 形近詞：curtain pertain curtail

同反義詞adj

sealed, sure

incertain, uncertain, unsealed, unsure

There's acertainlogic to the motion of rush-hour traffic.交通高峰期的運動之間有一種內在聯繫。

Becertainyour alibi squares with mine.一定要使你的不在犯罪現場的證據與我的證據相符合。

This weekend iscertainto be enjoyable.這個周末一定很有意思。

Aspirin is acertaincure for a headache.阿司匹林是治頭痛的妙藥。

The Customs excludescertainitems for entry.海關不準某些物品進口。

adj

exercising or taking care great enough to bring assurance

e.g.

be certain to disconnect the iron when you are through

be sure to lock the doors

Synonym:sure

certain to occur,destined or inevitable

e.g.

he was certain to fail

his fate is certain

In this life nothing is certain but death and taxes"- Benjamin Frankli

he faced certain death

sudden but sure regret

he is sure to win

Synonym:sure

reliable in operation or effect

e.g.

a quick and certain remedy

a sure way to distinguish the two

wood dust is a sure sign of termites

Synonym:sure

established irrevocably

e.g.

his fate is sealed

Synonym:sealed

certain event[數]必然事件 ; 肯定變亂

Almost certain十拿九穩 ; 幾乎肯定 ; 肯定發生 ; 幾乎可以肯定的

certain areas某些地區 ; 定煊 ; 某些領域 ; 若干地區

certain plants某些植物

certain about有把握 ; 確信 ; 確實

certain regulations的若干規定 ; 某些規例 ; 若干規定

Certain medications某些藥物

Netma certain網路人

Or only certain people had them?

亦或只是某些人擁有它們？

I have certain reservations about it.

對此我有某些保留意見。

Do you have rewards for certain goals?

你有沒有達到某些目標的獎勵？