run after 1. 追赶；追逐 Run after your father, he's forgotten his hat. 快去追你爸，他忘带帽子了。 a dog running after a rabbit 追逐野兔的狗 2. 追求(异性) 3. 〈口〉孜孜以求 run after new theories 对新理论孜孜以求 run after every new fashion 赶时髦 4. 〈口〉伺候，照顾 I can't keep running after you all day! 我不能整天总跟着伺候你。