追趕,追求
go after v 1: go after with the intent to catch; "The policeman chased the mugger down the alley"; "the dog chased the rabbit" [syn: {chase}, {chase after}, {trail}, {tail}, {tag}, {give chase}, {dog}, {track}] 2: go in search of or hunt for; "pursue a hobby" [syn: {quest for}, {quest after}, {pursue}]