不知死活
Traditional form:
不知死活
Pinyin (reading):
bùzhīsǐhuó
Definitions:
- to act recklessly (idiom)
Characters:
- 不 - no, not, un-; negative prefix
- 知 - to know, to perceive, to comprehend
- 死 - dead; death; impassable, inflexible
- 活 - to exist, to live, to survive; living, working
Traditional characters: