to find out the real cause or truth behind something
找出某事背后的真正原因或真相 (zhao chu mou shi bei hou de zhenzheng yuanyin huo zhenxiang)
"The detective worked hard to get to the bottom of things."
"侦探努力工作以查明事情的真相。" (zhentang nuli gongzuo yi chaming shiqing de zhenxiang)
to have no more patience or strength left to deal with a pro...
to think carefully about something
very easy to do or understand
knowledge and understanding gained through life experience
outside acceptable rules or standards
to fight very fiercely or with great determination