名詞 imbalance:

1. a lack of balance or state of disequilibrium
   同義詞：instability, unbalance
2. (mathematics) a lack of symmetry
   同義詞：asymmetry, dissymmetry

1. Pain and fatigue of the eyes, often accompanied by headache, resulting from prolonged use of the eyes, uncorrected defects of vision, or an imbalance of the eye muscles.
   眼下疲勞眼睛的疼痛和疲乏，常伴有頭痛，長久使用眼睛所致，或因未矯正的視力缺陷或眼肌的不平衡
2. The current trade deficit indicates a serious imbalance between our import and export trade.
   當前的貿(mào)易赤字表明我們的進出口貿(mào)易嚴重失調(diào)。

im.bal.ance

n.（名詞）
A lack of balance, as in distribution or functioning.
失調(diào)：缺乏平衡，如在分配或功能方面

【引伸】
imbal.anced
adj.（形容詞）