名詞 instability:

1. an unstable order
2. unreliability attributable to being unstable
3. a lack of balance or state of disequilibrium
   同義詞：imbalance, unbalance
4. the quality or attribute of being unstable and irresolute
   同義詞：unstableness

1. Critics point to the continuing instability of the company.
   評論家們強調(diào)公司的形勢繼續(xù)不穩(wěn)。
2. The riot can be considered a symptom of political instability.
   這次暴動可看作是政治上不穩(wěn)定的征兆。
3. Insecurity or instability.
   不安全或不穩(wěn)定

in.sta.bil.i.ty

n.（名詞）
【復(fù)數(shù)】 in.sta.bil.i.ties
Lack of physical stability; unsteadiness.
缺乏穩(wěn)定性；不穩(wěn)固
The quality or condition of being erratic or undependable:
不穩(wěn)定或不可靠的性質(zhì)或狀態(tài)：
例句：
emotional instability; political instability.
情緒不穩(wěn)定；政治不穩(wěn)定