to take a lot of work
加工这种零件比较费工，一小时怕完不了。
Processing components like these is relatively work-intensive; I'm afraid one hour won't be enough.
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。