朝不及夕

Explanation: Described in critical condition. 　　Usage: The main predicate; as predicate; refers to people living in extreme poverty 　　Source: "Zuo Xianggong sixteen years" Biyi of acute and less toward the evening. " Thesaurus:  put a fire under a pile of faggots— a hidden danger, a blind man on a blind horse— — rushing headlong to disaster, (literally) to walk on ice--cautious Pro Yuan, Carry out a deep thin, A deep discharge thin, sit without approaching the stair way, a blind man on a blind horse— — rushing headlong to disaster