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。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。