陳詞濫調 meaning in English

cliché▼(overused phrase or expression)
noun
[UK: ˈkliː.ʃeɪ] [US: ˈkliː.ʃeɪ]

platitude [platitudes]▼(often-quoted saying)
noun
[UK: ˈplæ.tɪ.tjuːd] [US: ˈplæ.tə.ˌtuːd]

shibboleth [shibboleths]▼(a common or longstanding belief, custom, or catchphrase associated with a particular group, especially one with little current meaning or truth)
noun
[UK: ˈʃɪ.bə.leθ] [US: ˈʃɪ.bə.ˌleθ]

truism [truisms]▼(self-evident or obvious truth)
noun
[UK: ˈtruːɪ.zəm] [US: ˈtruː.ˌɪ.zəm]