bo·da·cious
adjective/bəʊˈdeɪʃəs/
/bəʊˈdeɪʃəs/
(especially North American English, informal)- excellent; extremely good
出色的；非凡的；非常棒的 - willing to take risks or to do something that shocks people
敢于冒险的；大胆的
Word Originmid 19th cent.: perhaps a variant of SW dialect boldacious, blend of bold and audacious.