[transitive] to change sth to the opposite of what it was before颠倒；彻底转变；使完全相反◆to reverse a procedure/process/trend彻底改变程序／过程／趋势◆The company is battling to reverse the decline in sales.这家公司正在拼命扭转销售量下降的局面。 (Law 法律) to change a previous decision, law, etc. to the opposite of what it was撤销，推翻，废除（决定、法律等）◆The Court of Appeal reversed the decision.上诉法院撤销了这项判决。 SYN revoke reverse the charges (BrE) to make a telephone call that will be paid for by the person you are calling, not by you打对方付费电话；由被叫方付费◆I want to reverse the charges, please.我想打个对方付费电话。ⓘ In American English, people make a collect call or call sb collect.美式英语中为 make a collect call 或 call sb collect。