VERBS | ADVERB | PREPOSITIONVERBS➤be堅持▸➤become, grow變得堅決;越來越堅持▸➤remain依然堅持ADVERB➤most, quite, very極力/十分/非常堅持◇She was most insistent that we shouldn't leave the door unlocked.她極力堅持說我們不應該不鎖門。PREPOSITION➤about堅持⋯◇She was insistent about inviting him.她堅持要邀請他。➤on, upon堅持要求⋯◇He was insistent on a formal written agreement.他堅持要求簽訂一份正式的書面協議。