时时frequently
必须不时检查
must be checked frequently
不时下着小雨
light showers are falling from time to time
随时at any time
不时之需
unexpected need
以备不时之需
in case of unexpected need
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。