lag behind

• Modesty helps one to go forward , whereas conceit makes one lag behind
  虚心使人进步,骄傲使人落后
• And the study of parafoil inland lagged behind greatly
  国内对翼伞的研究与国外相比还有很大差距。
• If one of us lags behind , we all should help him
  如果我们中有一个人落后了，我们大家都需要帮助他。
• Let not a single classmate lag behind
  不要让一个同学掉队。
• The supply of new houses , however , seemed to have lagged behind
  不过，新房源的供应似乎出现了滞后。
• Conceit makes one lag behind
  谦虚使人进步，骄傲使人落后。
• However , the design theory lags behind engineering application
  但其设计理论研究却滞后于工程应用。
• If one of us lags behind , we all should help him
  如果我们中有一个人违反了规则,那我们大家都要受到惩罚。
• If we walk slower than the others we shall lag behind them
  如果我们比其他人走得慢,我们就会落在他们后面。
• Anyone who stops absorbing new knowledge is certain to lag behind
  任何人如果停止吸取新知识，就肯定会落后。