Tā cōngcōngmángmáng de chūmén, wàng le dài yàoshi.
He left the house in a great hurry and forgot to take his keys.
Tips
grammar
匆匆忙忙 is an AABB reduplicated form of 匆忙 (hurried/rushed). Reduplication intensifies the sense of haste and adds a vivid, colloquial feel. It usually appears before 地 or a verb.
