是持续性或间歇性疼痛？

Is the pain constant or intermittent?

疼痛的表现也往往很复杂，可以表现为持续性疼痛，或间歇性疼痛，有的病人还表现为钝痛或刺痛。

Expression of pain are often very complex, can be expressed in persistent pain, or intermittent pain, and some patients also showed dull pain or tingling.