The phrase "打虎还得亲兄弟,上阵须教父子兵" is in Chinese and can be translated into English as:
"To catch a tiger, one must rely on one's own brothers; when going to battle, it is necessary to train father and son as soldiers."
This expression emphasizes the importance of familial bonds and unity in facing challenges or enemies. It suggests that certain tasks or challenges are best tackled with the support and collaboration of close family members.