catch-up
/ˈkætʃˌʌp/(亦作 catchup)
noun
- informal an act of catching someone up in a particular activity〈非正式〉（在某项特定活动中的）追赶。
短语
play catch-up
1
- fall behind continually with work or financial matters（工作等）连续落后：
I'm always playing catch-up with my homework.
我的家庭作业总是来不及按时完成。
2
- N. Amer. try to equal a competitor in a sport or game〈北美〉（在运动或比赛中）奋起直追; 努力赶上。