大胆保证百度词典的意思:venturen.[C]1. 冒险;冒险事业,投机活动They were the astronauts on the first venture to the moon.他们是首次登月球探险的宇航员。2. 投机活动;企业He has started a joint venture in Singapore.他已在新加坡办起一家合资公司。vt.1. 使冒险;冒...之险;拿...冒险They ventured their lives in exploring the desert.他们冒了生命危险去沙漠探险。2. 以...作赌注[(+on)]He ventured large sums of money on speculative stocks.他将大笔的钱拿去做股票投机。3. 大胆提出(或说出);敢于[+to-v][+that]I venture that you are wrong.我冒昧说一句,你错了。No one ventured to speak to him.无人敢跟他讲话。vi.1. 冒险;大胆行事[(+on)]He is too timid to venture upon a new undertaking.他太胆小,不敢从事新的事业。The children ventured out on the thin ice and fell through.孩子们冒险踏上薄冰,结果掉了进去。这里应该是对应3.大胆提出(或说出);敢于[+to-v][+that]这个意思