excess/excessive

excess I. /ikˈses, ˈekses/ n. ［u］ 1.多余部分，超过(部分)：You must pay for the excess. 超过的部分你得付款。 2.过分，过多的(可加不定冠词)：an excess of enthusiasm 过分热情The child had an excess of energy. 那孩子精力过剩。3. 用于习语 in excess of 超出：There will be an increase in tax for those earning in excess of twice the national average wage. 这些收益的税额将超过全国平均工资的两倍。to excess 超量：They both eat to excess.他们两个都吃得太多了。‖II. /ˈekses/ adj. 额外的， 超额的： We pay excess fare on some very fast trains. 乘特别快车需要付额外费用。 

excessive /ikˈsesiv/ adj. 过大的，过分的：The prices at this hotel are excessive. 这家旅馆的价格太贵了。Excessive spending can lead to bankruptcy. 过分超支会导致破产。