useful
这哪管用？
What use is that?
一点儿也不管用
completely useless
刀子钝了，不管用了。
The knife is blunt. It's of no use now.
这台收音机还管用。
This radio could still be useful.
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。