to find the real cause of a problem
找到问题的真正原因 (faxian shiqing de zhenzheng yuanyin)
"The manager promised to get to the bottom of the issue."
"经理承诺会找到问题的根本原因。" (Jingli xiang yao faxian wenti de zhenzheng yuanyin.)
to return to a place
a sudden and unexpected event
to not lose confidence or courage
a clever and intelligent person
to do something to show you are sorry
a completely different or contrasting situation
