double trouble
noun [ U ] informal uk/ˌdʌb.əl ˈtrʌb.əl/ us/ˌdʌb.əl ˈtrʌb.əl/
双倍的麻烦
a situation in which there is twice the number of problems that usually exist
Having twins usually means double trouble for the parents. 生双胞胎对父母而言通常意味着双倍的麻烦。