keep it up片语动词

片语动词

1. 1

   继续努力、加油、保持下去多用于鼓励

   Your grades have improved a lot this term—keep it up!

   你这学期成绩进步很多，继续努力。

2. 2

   维持、保持、持续

   He ran fast at first but couldn't keep it up for long.

   他一开始跑得很快，但没能维持多久。