sth that you very much want to do,usually sth that is difficult to achieve
the desire or determination to be successful,rich,powerful,etc.
"his ambition is to own his own business"
I thrice presented him a kingly crown, Which he did thrice refuse. Was this ambition?
出自：Julius Caesar , Shakespeare
The Bishop of Chester had ambitioned the Bishopric of Winchester.
出自： Horace Walpole
Who ambitioned to be his correspondent.
出自： T. Jefferson
Ambitioning that her lover should make his mark.
出自： H. Smart