名词
中文翻译：不安全
同义词：
['dangerous', 'perilous', 'risky']
例句：
-
1. The climb was too dangerous for me to attempt.
这次攀登对我来说太危险了，我不敢尝试。
-
2. He decided to take a risk by investing in the unproven technology.
他决定冒险投资这项尚未证实的技术。
-
3. The journey was perilous, with no guarantee of safety.
这次旅行充满了危险，没有任何安全保障。