a gordian knot meaning in English

棘手的问题, 难解的结, 关键
棘手问题
难解的结

The deceased old man did not leave a will and the distribution of his property was a gordian knot
故世的老人没有留下遗嘱，他的财产分配是一个大难题。
The tea place of business that two bosses run , firm the business is very prosperous in the begining , but after spending a few months , was issued by their correct a vicious person manipulating sb or sth from behind the scenes , the business at a draught with respect to cold and cheerless come down , then they wanted to sell this tea place of business , but then the individual has say outside 3 to 4 , make the person that has fun at originally flinchs , i want to ask , who can help them solve this a gordian knot
两位老板经营的茶庄,刚开始时生意很红火,但过了几个月后,被他们的对头下了黑手,生意一下子就冷清了下来,于是他们想把这个茶庄卖了,可那个人有在外面说三到四,使本来有爱好的人都望而却步,我想问问,谁能帮他们解决这个棘手的问题