balance加什么前缀

加前缀un，构成unbalance:

vt. 使失去平衡使精神紊乱

n. [力] 失衡精神错乱

The last load of goods unbalanced the boat.

最后搬上来的货物使小船失去平衡。

The bad news unbalanced Jack's moods.

这个坏消息使杰克心情乱了起来。

Tax cuts may unbalance the budget.

税收减少可能使预算失去平衡。

Unbalance construction and improper ratio.

结构失衡，比例不当。

His anxieties threatened to unbalance his mind.

他的忧虑可能使他陷于精神错乱。

The development of mass volleyball was unbalance.

群众性排球运动的发展不平衡。