dangerous
/ˈdeɪndʒrəs/adjective
1- able or likely to cause harm or injury危险的：
a dangerous animal.
危险动物。
1.1
- likely to have adverse or unfortunate consequences; risky危险的; 冒险的：
it is dangerous to convict on his evidence.
根据他的证据宣布有罪是冒险的。
1.2
- likely to cause problems or difficulty可能造成威胁的, 会导致问题的, 会引起困难的：
our most dangerous opponents in the World Cup.
我们在世界杯中最有威胁的对手。
1.3
- (of a drug) addictive or otherwise harmful or illegal（药品）使人上瘾的; 有害的; 非法的。
派生词
dangerousness
noun词源
Middle English （in the senses 'arrogant', 'fastidious', and 'difficult to please'）： from Old French dangereus, from dangier （see DANGER）.