Word · Frequency #6975
unstable
不稳定的；不牢固的；易变的
not stable; not firm or fixed; likely to change suddenly
- 1.
Not stable.
不稳定的。
- 2.
lacking stability or fixity or firmness
不稳定的；不牢固的
- 3.
Having a strong tendency to change.
极容易变化的；不稳定的。
- 4.
highly or violently reactive
高度或剧烈反应的
- 5.
Fluctuating; not constant.
波动的；不恒定的。
- 6.
affording no ease or reassurance
令人不安的；不使人安心的
- 7.
Fickle.
善变的；反复无常的。
- 8.
Unpredictable.
无法预测的。
- 9.
Readily decomposable.
容易分解的。
- 10.
Radioactive, especially with a short half-life.
放射性的,尤指半衰期短的。
反复无常的；善变的；（化学）高活性的；易分解的；放射性的；令人不安的；使人担忧的；不稳定的。
In use
The ladder felt unstable, so I held it steady while my brother climbed.
The internet connection here is unstable, so my video call keeps dropping.
The weather has been unstable all week, with alternating sunshine and showers.
unstable political conditions
the tower proved to be unstable in the high wind
an unstable world economy
sensitive and highly unstable compounds
be unstable
The situation is unstable.
Connections
Collocations
- unstable situation
- 不稳定的局势
- The country is facing an unstable political situation.该国正面临不稳定的政治局势。
- unstable economy
- 不稳定的经济
- An unstable economy leads to high unemployment.不稳定的经济导致高失业率。
- unstable relationship
- 不稳定的关系
- They have been in an unstable relationship for years.他们的关系多年来一直不稳定。
- unstable weather
- 不稳定的天气
- Unstable weather patterns are causing floods in many areas.不稳定的天气模式正在许多地区引发洪水。
- unstable condition
- 不稳定的状况
- The patient remains in an unstable condition after surgery.手术后病人状况仍然不稳定。
- unstable personality
Learner notes
Memory Tip
"unstable"：un-（不）+ stable（稳定的），想象一个不稳的桌子摇摇晃晃。
Context & Register
通常用于描述物理稳定性、情绪状态、系统或局势等，语域从中性到正式。在技术或学术语境中较正式，在日常对话中描述情绪或人际关系时也常见。
Pronunciation & Spelling
All these words end with the /eɪbəl/ sound and rhyme with unstable. However, many other words ending in -able have a different pronunciation (e.g., /əbəl/), so they do not rhyme.
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.