1. 他走得太慢而不能跟上我。
   He walked too slowly to catch up with me.
2. 他在學(xué)習(xí)上有些困難，但在同志們的幫助下，他已跟上班上的功課了。
   He has some difficulties in his study, but with his comrades' help he has kept up with the class.
3. 對一個公司來說，能跟上市場的發(fā)展是很重要的。
   It's important for a firm to keep pace with changes in the market.
4. 湯姆必須邁大步才能跟上他的父親。
   Tom has to take long steps to keep pace with his father.
5. 我認(rèn)為跟上時代是很重要的。
   I think it important that we keep up with the times.

上的英語翻譯：