不可终日

Explanation: All day: from morning to night, day. Day is not working. Describe the situation in the minds of most critical or panic anxiety. 　　Usage: Partial official; as the predicate attribute; describe the anxious hearts 　　Source: Han Dai Holy "Book of Rites token": "a gentleman not to day to bow, irregular Yan, if not all day." 　　Examples: To know that China is in what a situation is insignificant ~, in what a chaotic state. (Mao Zedong, "A single spark can start a prairie fire") Thesaurus:  feel uneasy even when eating and sleeping, jitter