to have no definite plan or idea; to lack confidence or certainty about something

to have a plan; to have a clear idea of how to do something or what is going to happen

to be ostentatious or show off one's wealth; to keep up appearances

dependable or trustworthy; according to expectations or standards

beyond what is reasonable or acceptable; excessive, absurd, or far off the beam; colloquially refers to words or actions that stray from established norms

(erhua variant) old habits or established traditional rules; an old music score

a clear plan; certainty; definite conclusion or standard