keep up with

• How do you keep up with current trends in design
  请问你如何让自己紧跟设计的潮流？
• Labor theory of value should keep up with the times
  劳动价值理论应当与时俱进
• How to keep up with the it speed
  现在it行业发展迅速，怎样才能跟上它的步伐？
• They walked so fast that i could not keep up with them
  他们走得那么快,我没法跟上。
• He walked so fast that we couldn ' t keep up with him
  他走得那么会以致我们跟不上他。
• How do we keep up with near - continuous change
  如何才能跟上近乎连续的变化
• She keeps up with her sister by e - mail
  她通过电子邮件和她的姐姐保持联络。
• It is necessary to keep up with scientific advances
  跟上科学步伐是必要的
• They could not keep up with us when we climbed the mountain
  爬山时,他们跟不上我们。