1
be unsafe
The building is unsafe.
这座建筑不安全。
不安全的；危险的
unsafest — superlative of unsafe
先理解核心含义，再看它在真实句子里的用法。
不安全的；危险的
not safe; involving or causing danger or risk
The building is unsafe.
这座建筑不安全。
不安全的(各种意义)；危险的。
Not safe (various senses); dangerous.
The old ladder is unsafe to climb.
这把旧梯子爬上去不安全。
Driving on icy roads can be unsafe.
在结冰的路上开车可能不安全。
She felt unsafe walking home alone at night.
她觉得夜里独自走回家不安全。
The building is unsafe.
这座建筑不安全。
This toy is unsafe for children under three.
这个玩具对三岁以下儿童不安全。
It is unsafe to swim in this river.
在这条河里游泳不安全。
The drug is considered unsafe for human use.
这种药被认为对人类使用不安全。
Not this
I saw a car unsafe.
Use this
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'。
Not this
It is unsafe swimming here.
Use this
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'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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。
危险驾驶
Unsafe driving can lead to serious accidents.
危险驾驶可能导致严重事故。
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。
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。
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。
不安全的社区
I avoid walking alone in an unsafe neighborhood at night.
我避免晚上独自走在不安全的社区。
Use unsafest naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
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。
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。
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.
Dictionary facts from ECDICT, WIKTIONARY.