New words:

security /sɪˈkjʊərəti/ n. 安全;安保;保障措施

secure 的名词形式 → “安全的状态保障安全的措施

必记搭配:

具体安保搭配:

security guard(保安)、security check(安检)、security system(安保系统)
data security(数据安全)、national security(国家安全)

抽象保障搭配:

sense of security(安全感)、social security(社会保障)
financial security(经济保障)、job security(工作稳定性)

动作搭配:

improve security(加强安全 / 安保)、ensure security(确保安全)
check security(检查安全性)、provide security(提供保障)

Sample Sentences:

They carried out security checks at the airport.

There are two security guards at the building’s entrance.


词根(-sur-/-sure-)常用单词分类

  1. 表 “保障 / 保险”(与 “规避风险、提供安全保障” 相关)
  2. 表 “确定 / 肯定”(与 “态度、判断上的确定性” 相关)
  3. 表 “安全 / 稳固”(与 “状态上的安全、稳固” 相关)

New words:

secure [sɪˈkjʊr] adj. 安全的;稳固的;v. 保护;获得

se- 加强 + -cur- = sur- (安全) → “高度安全的”,形容词表 “安全稳固”,动词表 “采取措施获得安全 / 某物”

如 “secure environment”(安全的环境)、“secure a job”(获得一份工作))


必记搭配:

形容词搭配:

安全 / 稳固类:secure house(安全的房子)、secure ladder(稳固的梯子)、secure job(稳定的工作)

情绪类:feel secure(感到安心)、be secure in one’s position(职位稳固)

动词搭配:

保护类:secure the building(保护建筑)、secure valuables(保管贵重物品)、secure the area(封锁区域)

获得类:secure a job(找到工作)、secure a loan(获得贷款)、secure a victory(赢得胜利)


Sample Sentences:

The safe keeps our money secure from thieves.
Make sure the ladder is secure before climbing.

He secured a good job after graduation.
We need to secure the windows before the storm comes.


New words:

ensure [ɪnˈʃʊr] v. 确保;保证

en- 使… + -sur- 确定 → “使结果确定发生”,侧重 “通过行动确保目标实现”

“ensure safety”(确保安全)、“ensure timely delivery”(保证及时交付)


必记搭配:

核心搭配(必背):

ensure + 名词(确保某物 / 某事,如 ensure safety/success/progress)
ensure that + 从句(确保…,从句常用一般现在时表将来)

常见场景搭配:

ensure quality(保证质量)、ensure accuracy(确保准确性)
ensure timely delivery(保证及时交付)、ensure fairness(确保公平)

动作延伸搭配:

take measures to ensure(采取措施确保)
do one’s best to ensure(尽最大努力保证)

Sample Sentences:

Please ensure that you arrive on time tomorrow.
I need to ensure my bag is locked before leaving.


易混词辨析(assure、ensure、insure)

New words:

sure [ʃʊr] adj. 确定的;肯定的;adv. 当然

是核心词根词,直接体现 “确定、无疑问”,日常最常用

如 “be sure of sth”(确信某事)、“Sure!”(当然!)

assured [əˈʃʊrd] adj. 确定的;自信的;n. 被保险人

assure 的形容词 / 名词形式 → 形容词 “确定的、有把握的”,名词 “获得保障的人(即被保险人)

如 “an assured smile”(自信的微笑)、“life assured”(人寿保险被保险人)


必记搭配:

形容词核心搭配:

assured smile(自信的微笑)、assured manner(从容自信的态度)、assured voice(坚定的语气)
be assured of success(确信会成功)、be assured that 从句(确信…)

名词专业搭配:

the assured(被保险人)、life assured(人寿保险被保险人)、assured’s right(被保险人的权利)

动词时态搭配:

assured sb of sth(过去向某人保证某事)、assured sb that(过去让某人确信…)

Sample Sentences:

She is an assured speaker—she never gets nervous on stage.
The teacher has assured the parents of the students’ safety.
The insurance company will pay the money to the assured directly.


New words:

assure [əˈʃʊr] v. 确保;使确信;向… 保证

as- 加强语气 + -sur- 确定 → “强化确定性,消除他人担忧”,侧重 “通过承诺让对方放心”
如 “assure her of safety”(向她保证安全)

必记搭配:

核心搭配(必背):

assure sb of sth(向某人保证某事)
assure sb that + 从句(向某人保证…)

常见宾语搭配:

assure me/you/him/her/them(向我 / 你 / 他 / 她 / 他们保证)
assure customers/parents/students(让顾客 / 父母 / 学生确信)

宾语补足语搭配:

assure sb of safety/success/fairness(向某人保证安全 / 成功 / 公平)
assure sb of a happy ending(让某人确信会有好结果)


Sample Sentences:

My dad assured mom that he would come home early.
She assured me of her support before the competition.