The heating systems were unsafe to use.
unsafe levels of radiation
I feel unsafe walking around this neighbourhood.
an unsafe investment
The Court of Appeal ruled that the conviction was unsafe.
I feel unsafe walking around this neighborhood.
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。