unstable

英 [ʌnˈsteɪbl]

美 [ʌnˈsteɪbl]

adj. 不稳定的; 易变的; 变化莫测的; (行为、情绪)反复无常的; 易动(或倒下)的; 不稳固的

Collins.1 / BNC.6975 / COCA.7097

牛津词典

adj.

不稳定的；易变的；变化莫测的
likely to change suddenly
1. The political situation remains highly unstable.
  政局仍然十分动荡。
（行为、情绪）反复无常的，不稳定的
if people are unstable , their behaviour and emotions change often and suddenly because their minds are upset
易动（或倒下）的；不稳固的
likely to move or fall
不稳定的；能衰变的
not staying in the same chemical or atomic state
1. chemically unstable
  化学上不稳定的

ADJ-GRADED 不稳定的；不可靠的；动荡的
You can describe something asunstableif it is likely to change suddenly, especially if this creates difficulty or danger.
1. After the fall of Pitt in 1801 there was a decade of unstable government...
  1801年皮特倒台后，政府经历了10年的动荡。
2. The situation is unstable and potentially dangerous.
  情况不稳定，可能有危险。
ADJ-GRADED 不牢固的；松脱的
Unstableobjects are likely to move or fall.
1. Both clay and sandstone are unstable rock formations.
  黏土和砂岩都是不牢固的岩石构造。
ADJ-GRADED （情绪）不稳定的，波动的
If people areunstable, their emotions and behaviour keep changing because their minds are disturbed or upset.
1. He was emotionally unstable...
  他情绪不稳定。
2. Coleridge was also a highly unstable person.
  科尔里奇还是个情绪非常不稳定的人。

adj

subject to change
1. a fluid situation fraught with uncertainty
2. everything was unstable following the coup
Synonym:fluid
affording no ease or reassurance
1. a precarious truce
Synonym:precarious
highly or violently reactive
1. sensitive and highly unstable compounds
disposed to psychological variability
1. his rather unstable religious convictions
suffering from severe mental illness
1. of unsound mind
Synonym:mentally illunsound
lacking stability or fixity or firmness
1. unstable political conditions
2. the tower proved to be unstable in the high wind
3. an unstable world economy

He was emotionally unstable
他情绪不稳定。
The situation was unstable.
局势不稳。
It's very late, and my friend's unstable.
现在有点晚了，我朋友不是很稳定。
So you see, that's the difference between stable equilibrium and unstable equilibrium.
你们看，这就是，稳定平衡和，不稳定平衡的区别。
She was physically delicate and psychologically unstable.
她身体孱弱，心理上也不够稳定。
Also, the new system will not be affected by unstable voltage and power cut.
同时，这个新的系统将不会受到不稳定电压和断电的影响。
Objective To discuss the treatment method and effect of unstable pelvic fracture.
目的探讨不稳定骨盆骨折治疗方法和效果。
Colonel Cathcart lived by his wits in an unstable world.
卡思卡特上校凭着自己的聪明才智生活在一个动荡不定的社会里。
Based on past experience, it is considered dangerous and unstable phenomenon.
根据过去的经验，它被认为是危险和不稳定的现象。
He was the most unstable kind of fool I had ever seen.
他是我所遇见过的最反复无常的傻瓜。