English translation for "a knotty point"

难题；难以决定的复杂问题，棘手的问题

Similar Words：

"a knight in shining armor" English translation, "a knight in shining armour" English translation, "a knight of the pad" English translation, "a knockout blow" English translation, "a knot" English translation, "a know-it-all" English translation, "a known quantity" English translation, "a ko" English translation, "a kombi" English translation, "a ku k?" English translation