That carpet is somewhat off colour.

那木匠身体不舒服。

Some of the patients have no obvioussymptom of abdominal pain, they only behave off colour, insomnic, tired, and so on.

临床表现为反复发作的下腹部胀疼痛、腰骶部酸痛，劳累或交后加重，伴疲乏无力，或伴有低热。