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 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。
The situation is unstable and potentially dangerous.
情况不稳定，可能有危险。
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。
The situation is unstable.
时局不稳。
Their politics consisted of unstable power-plays between rival groups.
他们的政治活动包括竞争团体间反复多变的打压行动。
Her emotions were always as unstable as the light winds of april.
她的感情总是象四月的无定准的轻风一样。
The bed is rickety [ unstable].
这床不牢。
Most complex and highly unstable method.
最繁杂和最不稳定的方法。
The political situation was unstable.
政局不稳。
The erratic fluctuation of market prices is in consequence of unstable economy.
经济波动致使市场物价忽起忽落。