HSK 7–9 · noun · Practice 口头禅 kǒutóuchán pet phrase; catchphrase “好的”是他的口头禅。 “ Hǎo de” shì tā de kǒutóuchán。 "Okay" is his catchphrase. ← 口水kǒushuǐ 口香糖kǒuxiāngtáng →