后顾之忧

Explanation: Care: looking back. Sense of urgency from the rear. Refers to the process in advance, fearing the back problems. 　　Usage: Partial official; as object; refers to the rear of the hardship 　　Source: Qi Wei received "Lee Chong Wei Shu Chuan": "Ya Zhen Yi Ren Mingzhong, entrusted with the Division of Taiwan to send, so I leave no worries, once they suddenly have this suffering." 　　Examples: General for Hall, Guaren - carry on. (Ming Feng Meng, "Eastern Zhou Chi," the sixty-second back) 　　Results: Ass behind with wolves 　　Postscript: Ass behind with wolves 　　Riddle: Chong Fei; scared look back Thesaurus:  Yellowbird Server cicada, yellowbird behind