banal

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ba·nal /bəˈnɑːl, bəˈnæl/ ●○○ adjective  ORDINARYordinary and not interesting, because of a lack of new or different ideas 平淡无奇的，平庸的，陈腐的 SYN trivial conversations about the most banal subjects 最无聊的谈话 —banality /bəˈnæləti/ noun [countable, uncountable]

Examples from the Corpus

banal• Everybody says sorry and life goes on - it's that banal.• Not that Springer is evil, though he is certainly banal.• He was cautious, banal and predictable.• a banal argument• Some of the means used by the military to explain mechanical procedures are devastating in their banal degradation.• Even while the banal dialogue washes over you, the kicks and jumps remain spectacular.• It was just another banal newspaper story.• I was expecting an interesting interview but he only asked a few banal questions about the weather.Origin banal (1800-1900) French Old French ban “military service that everyone must do, something common”

ba·nal adjectiveChineseSyllable  

Corpus and interesting, lack not a or of because new of ordinary

banal
ba‧nal /bəˈnɑːl, bəˈnæl/ adjectiveordinary and not interesting, because of a lack of new or different ideas
   SYN  trivial:
    conversations about the most banal subjects
—banality /bəˈnæləti, bəˈnælɪti/ noun [uncountable and countable]

banalBrE /bəˈnɑːl/ 🔊NAmE /bəˈnɑːl/ 🔊, also /ˈbeɪnl/ 🔊 adjective (disapproving) very ordinary and containing nothing that is interesting or important 平庸的；平淡乏味的；无关紧要的；陈腐的