任何数的0次方等于1。Any number to the power of nought is equal to one.9%的利息减去7%的通货膨胀率等于2%。9 percent interest less 7 percent inflation equals 2 percent.任何隐藏的东西都是有害的（所以披露就等于安全）。Whatever is hidden is harmful (hence revelation equals...
她总是跟他争辩吵嘴。She was always arguing with him and fighting with him.我知道你们近来时常吵嘴.I know you've been quarrelling a good deal lately.我们之间从不吵嘴.We never quarrelled among ourselves....
他突然勃发做某事的念头.He was seized with a sudden idea to do sth.超越职权范围做某事(越权)Go beyond one's duty in doing sth.收回: 同意做某事后又反悔.Back - out: when you agree to do something and then change you mind....