ambitious

a.充满野心的；雄心勃勃的

amazon, Amazonia, amazonian, ambassador, ambassador-at-large, ambassadorial, ambassadress, amber, amber-like, ambergris, ambi-, ambidextrous, ambience (also ambiance), ambient, ambiguity, ambiguous, ambiguously, ambiguousness, ambit, ambition, ambitiously, ambivalence, ambivalent, ambivalently, amble, ambrosia, ambrosial, ambulance, ambush, ameba, ameliorate, amelioration, amen, amenable, amend, amendment, amends, amenity, America, American,