●clean ˈhouse to make a company, an organization, etc. more honest and efficient, for example by removing people or things that are not necessary or not wanted 清理门户（裁掉不必要的人或丢弃不需要的东西）●ˌclean up your ˈact () to start behaving in a moral or responsible way 改邪归正；重新做人◆The call centre industry is trying to clean up its act and improve working conditions for staff. 呼叫中心行业正试图修正自己行业的做法，改善员工的工作条件。 ●ˌclean sb ˈout () to use all of sb/sth's money 用光…的钱◆Paying the fine cleaned me out. 支付罚金把我的钱花得一乾二净。●ˌclean sth ˈoutto make the inside of sth very clean or empty, for example by removing things you do not want or need 将（某物）内部彻底打扫乾净◆Staff were given no time to clean out their desks. 工作人员没有时间彻底清理自己的办公桌。◆(figurative) She's cleaned out her bank account (= taken all the money out of it). 她将银行账户里的钱全部取了出来。●ˌclean sth ˈup
to remove crime and immoral behaviour from a place or an activity 清除，整顿（某地或某活动中的犯罪和不道德行为）◆The industry needs to clean up its image. 这行业的形象需要改善。
() to make sth financially stronger; to reduce the amount of debt 使…财力更强；减少债务◆He cleaned up the group by getting rid of loss-making activities. 他通过摈弃亏损业务使集团的财力更雄厚。
to remove harmful substances from a river, piece of land, building, etc. 清理，清除（河流、土地、建筑物等中的有害物质）◆cleaning up chemical spills 清理化学物品泄漏
