1.The really risky thing to do is to declare war on an abstract noun.
真正危险的事是向抽象名词宣“战”。
2.Why trouble to do a risky thing like falsifying figures?
为什么要冒险去编造假数字呢？
3.Name a risky thing you have done and why.
写出你冒险的一件事，为什么。
4.It's a risky thing doing that.
做那事要冒风险。
5.A risky thing to do because they were street kids.
因为他们都是些在街头流浪的孩子。