挂在嘴边
guà​zài​zuǐ​biān

harp on

2 sentences

  1. 他总是把感谢挂在嘴边。

    tā zǒng​shì bǎ gǎn​xiè guà zài zuǐ​biān.

    He always has words of thanks on his lips.

    Source: Dong Chinese Dictionary

  2. 真正的修行不是挂在嘴边的口头禅，而在于内心的觉悟。

    zhēn​zhèng de xiū​xíng bù shì guà zài zuǐ​biān de kǒu​tóu​chán, ér zài​yú nèi​xīn de jué​wù.

    Real practice is not about repeating catchphrases; it lies in inner enlightenment.

    Source: Dong Chinese Dictionary