venture upon
美
英 
例句
He was too cautious to venture upon such a dangerous expedition.
由于过分谨慎,他不敢从事那么危险的探险。
"Look you, sir, " said I, "if I venture upon your deliverance, are you willing to make two conditions with me? "
“请你们听着,先生,”我说:“如果我冒险搭救你们,你们愿意跟我订两个条件吗?”
He is too timid to venture upon a new undertaking.
他太胆怯,不敢从事新的事业。