Word · CEFR B2 · Frequency #9721
unsafe
不安全的；危险的
not safe; involving or causing danger or risk
- 1.
Not safe (various senses); dangerous.
不安全的(各种意义)；危险的。
不安全的(各种意义)；危险的。；不安全的；不安稳的；危险的；[经] 不安全
In use
The old ladder is unsafe to climb.
Driving on icy roads can be unsafe.
She felt unsafe walking home alone at night.
be unsafe
The building is unsafe.
这座建筑不安全。
be unsafe for sb/sth
This toy is unsafe for children under three.
这个玩具对三岁以下儿童不安全。
be unsafe to do
It is unsafe to swim in this river.
在这条河里游泳不安全。
be considered unsafe
The drug is considered unsafe for human use.
这种药被认为对人类使用不安全。
Common mistakes
I saw a car unsafe.I saw an unsafe car.
形容词 'unsafe' 在英语中通常放在名词前作定语，而中文中常放在名词后，所以学习者易混淆。这里应改为前置定语 'an unsafe car'。
It is unsafe swimming here.It is unsafe to swim here.
在 'it is + 形容词' 结构中，通常用动词不定式表示动作，而不是动名词。因此 'swimming' 应改为 'to swim'。
Connections
Collocations
- unsafe conditions
- 不安全的条件
- The workers were exposed to unsafe conditions.工人们暴露在不安全的条件下。
- unsafe driving
- 危险驾驶
- Unsafe driving can lead to serious accidents.危险驾驶可能导致严重事故。
- unsafe environment
- 不安全的环境
- Children should not play in an unsafe environment.孩子们不应该在不安全的环境中玩耍。
- unsafe practice
- 不安全的做法
- The factory was shut down due to unsafe practices.这家工厂因不安全的做法被关闭。
- unsafe sex
- 不安全性行为
- Unsafe sex increases the risk of STDs.不安全性行为增加了性传播疾病的风险。
- unsafe neighborhood
Learner notes
Memory Tip
Un-像‘无’，safe是‘安全’，合起来就是‘无安全’，即危险。想象一个写着UNSAFE的警示牌，提醒你远离。
Context & Register
语域：neutral 常见场景：general safety、workplace、investment、cybersecurity 通常用于描述各种不安全的状况，在正式和非正式场合均可使用，比较常见于安全警告、风险评估等语境。
Pronunciation & Spelling
Genuine rhymes ending in /eɪf/: safe, chafe, strafe, waif (note spelling -aif). Warning: 'cafe' (pronounced /kæˈfeɪ/ or /kəˈfeɪ/) and 'gaffe' (/ɡæf/) are lookalikes with different pronunciations.
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.