balance of payments

the difference in total value between payments into and out of a country over a period

国际收支差额

balance of power

a situation in which states of the world have roughly equal power

（各国间）均势

the power held by a small group when larger groups are of equal strength

（在大集团势力相当时）小集团的举足轻重地位

balance of trade

the difference in value between a country's imports and exports

贸易差额，进出口差额

strike a balance

choose a moderate course or compromise

妥协；采取折中办法

throw (或 catch) someone off balance

cause someone to become unsteady and in danger of falling

使某人摇摇欲坠

in the balance

In an undetermined and often critical position

悬而未决；紧要关头：处于未确定的或经常是关键性的位置

Our plans were left hanging in the balance. Resolution of these matters is still in the balance.

我们的计划被搁置下来处于悬而未决的状态。这些事情的结果尚未可知

on balance

Taking everything into consideration; all in all.

总而言之：将一切事情考虑在内；包括一切地