形容詞 audacious:

1. invulnerable to fear or intimidation
   同義詞：brave, dauntless, fearless, intrepid, unfearing
2. unrestrained by convention or propriety- Bertrand Russell
   同義詞：barefaced, bodacious, bald-faced, brassy, brazen, brazen-faced, insolent
3. disposed to venture or take risks
   同義詞：daring, venturesome, venturous

1. Brazenly daring; audacious.
   魯莽的; 蠻干的
2. Audacious and gallant; spirited.
   闖勁足的闖勁足的而且英勇的; 精力充沛的
3. A person regarded as aggressive, audacious, or fierce.
   兇惡的人，虎狼之徒被認(rèn)為是有野心、鹵莽或兇殘的人

au.da.cious

adj.（形容詞）
Fearlessly, often recklessly daring; bold.See Synonyms at adventurous ,brave
勇敢的，無畏的，敢于冒險(xiǎn)的：無所畏懼的，常指不顧結(jié)果的大膽；魯莽的參見 adventurous,brave
Unrestrained by convention or propriety; insolent.
放肆的，無禮的：不受傳統(tǒng)或規(guī)矩約束的；無禮的
Spirited and original:
大膽創(chuàng)新的：有精力的及獨(dú)創(chuàng)的：
例句：
an audacious interpretation of two Jacobean dramas.
對(duì)兩部詹姆斯一世時(shí)期戲劇的創(chuàng)造性闡述

來源：
French audacieux
法語 audacieux
from Old French audace [boldness]
源自 古法語 audace [魯莽]
from Latin aud3cia
源自 拉丁語 aud3cia
from aud3x aud3c- [bold]
源自 aud3x aud3c- [魯莽的]
from audôre [to dare]
源自 audôre [害怕]
from avidus [avid] * see avid
源自 avidus [勁頭足的，渴望的] *參見 avid

【引伸】
auda.ciously
adv.（副詞）
auda.ciousness
n.（名詞）