介绍： 1.threaten ['θret(ə)n]
v. 威胁，恐吓 threat n.
They threatened to kill him unless he did as they asked.
他们威胁说如果不按他们说的做就要杀了他。

2.endanger [ɪn'deɪn(d)ʒə]
vt. 危及，使遭到危险
He would never do anything to endanger the lives of his children.
他永远不会做出任何危及孩子生命的事情。

3.crisis [...

介绍： 1.threaten ['θret(ə)n]
v. 威胁，恐吓 threat n.
They threatened to kill him unless he did as they asked.
他们威胁说如果不按他们说的做就要杀了他。

2.endanger [ɪn'deɪn(d)ʒə]
vt. 危及，使遭到危险
He would never do anything to endanger the lives of his children.
他永远不会做出任何危及孩子生命的事情。

3.crisis ['kraɪsɪs]
n. 危机
economic crisis 经济危机

4.risk [rɪsk]
vt. 冒…风险
risk doing sth n. 风险，冒险
at risk 处于危险中

5.stake [steɪk]
n. 棍子，火刑，赌注
at stake 处于危险中

6.hazard ['hæzəd]
n. 危险，冒险
hazardous adj. 有危险的
moral hazard 道德风险
fire hazard 火灾隐患

7.venture ['ventʃə]
vi. 冒险
n. 风险项目
He wanted to venture into the mountainous wilderness of the countryside.
他想冒险进入农村的荒野山区。
He enjoyed little success when he ventured into business.
他在冒险涉足生意时很少成功。
venture capital 风险投资

8.adventure [əd'ventʃə]
n. 冒险
adventure activities 冒险活动

9.disaster [dɪ'zɑːstə]
n. 灾难，不幸
natural disaster 自然灾难（灾害）
It would be a disaster for me if I lost my job.
要是我没了工作，对我将真的是一场灾难。

10.catastrophe [kə'tæstrəfɪ]
n. 大灾难，大灾祸
ecological catastrophe 生态浩劫
The emigration of scientists is a catastrophe for the country.
科学家的移民对国家而言是场大灾难。