[질문] set off가무슨뜻이죠??

출발하다;~을출발시키다/~을돋보이게하다;치장하다/~을촉발[유발]하다;~을폭발시키다/에게~을하게[착수하게]하on,doing/~을상쇄하다,against/~을구획하다