trouble, difficulty -- (an effort that is inconvenient; "I went to a lot of trouble"; "he won without any trouble"; "had difficulty walking"; "finished the test only with great difficulty")
difficulty -- (a factor causing trouble in achieving a positive result or tending to produce a negative result; "serious difficulties were encountered in obtaining a pure reagent")
difficulty -- (a condition or state of affairs almost beyond one's ability to deal with and requiring great effort to bear or overcome; "grappling with financial difficulties")
difficulty, difficultness -- (the quality of being difficult; "they agreed about the difficulty of the climb")
(Sound)
