He clung to the certainties of his Catholic faith.
I can’t tell you with any certainty what the outcome of the operation will be.
Victory looked like a certainty, but then we lost three games back to back.
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。