不知死活

Explanation: I do not know to describe interest, take the liberty of engaging. 　　Usage: Verb-object type; for the predicate; described the venture in 　　Source: Ming Shinai "Water Margin" 67 back: "No only a junior, back anti-mad husband! Grace the court on the negative, the next insult fathers names, act recklessly! Led his army arrived, what management says?" 　　Examples: Rise wound up the evening, when there are no pedestrians, and put him try to push, push Laya, the ~. (Mingling 濛 early "first moment Pai An Jing Qi" Volume XXX) Thesaurus:  guiltless interest, not knowing whether to advance or retreat, abrupt, guiltless deep, guiltless accident, Primary calf, have an exaggerated opinion of one's abilities as one who does not know the immensity of heaven and earth, Do not know the level of, be very promising Antonym Group:  Reasonable notice, Reasonable notice of