Keep up with rabbits。
keep up with：英[ki:p ʌp wið] 美 [kip ʌp wɪð]
紧跟；跟上， 不落人之后；齐肩并进。
双语例句：
She was skipping to keep up with him.
她连蹦带跳地走着，好跟上他的步伐。
Many people were holding down three jobs just to keep up with theJoneses.
许多人同时做3份工作只不过是为了和别人攀比。
He lengthened his stride to keep up with her.
他迈大步追上她。
