in a way that requires a lot of effort, money or time ‘Time's Arrow’ is Amis's most ambitiously structured novel. 《时代的箭头》是阿米斯最雄心勃勃的小说。
in a way that shows you are determined to be successful, rich, powerful, etc. 有野心的;有雄心的 Rosalie marries ambitiously and unhappily. 罗莎莉(Rosalie)雄心勃勃而不幸。