relapse
/rɪˈlæps; rɪ`læps/ v[I, Ipr]
~ (into sth/doing sth) fall back into a previous condition or a worse state after making an improvement 退回到原来的或更坏的状态; 退步
relapse into bad habits 重染恶习
relapse into unconsciousness, silence, crime 再度昏迷、 恢复平静、 再次犯罪
relapse into smoking twenty cigarettes a day 又恢复到一天吸二十支香烟的地步. relapse, n act of relapsing, esp after partial recovery from an illness 倒退; （尤指疾病好转後的）复发
have/suffer a relapse 旧病复发.