pull your socks up idiom UK informal
加把劲儿，加油干
to make an effort to improve your work or behaviour because it is not good enough
He's going to have to pull his socks up if he wants to stay in the team. 如果他还想呆在队里的话就得努力加以改进。
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。