[] to go back into a previous condition or into a worse state after making an improvement 退回原状；（好转後）再倒退◆The weak economic data suggest the US may relapse into recession. 疲软的经济数据表示美国可能再度陷入衰退。▸relapse /rɪˈlæps; ˈriːlæps/
noun
[, ]◆The bad news has caused a relapse in world stock markets. 坏消息导致世界各股票市场再度陷入低迷。