唱老調

Simplified: 唱老调

chànglǎodiào ㄔㄤˋ ㄌㄠˇ ㄉㄧㄠˋ

    • to repeat outdated views or arguments
    • to sing the same old song

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
to sing the old tune
Meaning
To repeat outdated views or arguments. Critical. Close to 'the same old song'.

Sources