詞彙精選：assurance的用法和辨析
一、詳細釋義：
n.
保證，擔保 [U,C]
例句：
He gave me his assurance that the goods should be delivered tomorrow morning.
他向我保證貨在明天早上送到。
例句：
He gave me an assurance that it would be ready by Friday.
他向我保證星期五一定準備好。
確信；斷言 [U]
例句：
The teacher lacked assurance in front of his class.
那位教師在學生面前缺乏自信。
例句：
We have full assurance of the results.
我們對於其結果非常確信。
保險 [C]
例句：
Tom decided to buy a life assurance of one hundred thousand dollars.
湯姆決定買十萬美元的人壽保險。
例句：
Person employed by an in assurance company to calculate premium.
保險公司僱用的計算保險費的人。
厚臉皮，無恥
例句：
He had the assurance to ask me for money.
他竟厚着臉皮向我要錢。
例句：
He had the assurance to say so.
他厚著臉皮說話。
二、詞義辨析：
certainty,assurance,conviction
這些名詞均含有“確信無疑”之意。certainty指在客觀上和主觀上都無一絲一毫的懷疑。assurance側重依靠個人力量、本能、方法或對其他人或事的完全信任，強調有信心。conviction多指在理性基礎上清除了原有的疑慮或無把握，着重對證據的主觀反應。
三、相關短語：
life assurance
n.(=life insurance)人壽保險,(保險公司付給的)人壽保險金,(被保險人繳納的)人壽保險費
四、參考例句：
He has a life assurance.
他投保了人壽保險。
He had the assurance to say so.
他厚著臉皮說話。
We have full assurance of the results.
我們對於其結果非常確信。
How can I find International Dose Assurance Service?
我怎樣才能找到國際劑量保證服務處？
He had the assurance to ask me for money.
他竟厚着臉皮向我要錢。
Quality assurance is mainly focused on intended product.
質量保證主要關注預期的產品。
The bank needed some assurance that the loan be repaid.
銀行需要客戶做出某種能償還貸款的保證。
Person employed by an in assurance company to calculate premium.
保險公司僱用的計算保險費的人。
The teacher lacked assurance in front of his class.
那位教師在學生面前缺乏自信。
He gave me an assurance that it would be ready by Friday.
他向我保證星期五一定準備好。
