platitude
/ˈplætɪtjuːd/noun
- a remark or statement, especially one with a moral content, that has been used too often to be interesting or thoughtful陈词滥调, 老生常谈：
she began uttering liberal platitudes.
她开始念叨起自由主义的陈词滥调。
派生词
platitudinize
（亦作-ise）verbplatitudinous
adjective词源
early 19th cent.: from French， from plat 'flat'.