adj.肯定的；確信的；必定；可靠的；沉著自信的

adv.當(dāng)然；確實(shí)地；無疑地；不用客氣

I think you are not quite sure about it. 我認(rèn)為,你們對這一點(diǎn)并不能完全肯定。

I'm sure you'll want a go when you see it. 我敢說你看到了就想試一下。

I can't be sure, but I believe it worths trying. 我不能確定,但我確信這值得一試。

The news is sure to overset him. 這條消息必定會使他心神不安。

Hard work is a sure avenue to success. 勤奮是可靠的成功之道。

He's not so sure of himself these days. 他近來不大有自信。

They had never seen her so sure of herself. 他們從未看見過她這樣自信。

It sure was a cold night. 的確是個寒冷的夜晚。

Nobody knows the cause of the fire for sure. 沒有人確切地知道大火的原因。

sure表示“無疑的,確信的,有把握的”,指主觀上對某事相信無疑,不涉及有無客觀根據(jù)。在句中作表語。

“be sure+不定式”往往表示推測的口氣,主語不一定是人,表示“一定會…的”“必定會…的”。

sure還可表示“無可置疑,千真萬確”“不偏離的,不動搖的”。

sure用作定語時,表示“經(jīng)證明可靠的,可信的”。

sure沒有比較級與最高級形式。

sure還可用作副詞,表示“的確,當(dāng)然”。例如:It sure was cold.確實(shí)很冷!I said it would happen, and sure enough it did.我說過要有這樣的事發(fā)生,果然如此。

vt.使確信；使放心；確保

n.附件；圍墻；圍繞

vt.擔(dān)保；保證；使安全；確保

n.暴露；揭露；膠片；曝光時間；(在電視、報紙等媒體上的)亮相；挨凍

vt.保險；確保

vi.買保險

n.閑暇；休閑