朗ㄌㄤˇ朗ㄌㄤˇ上ㄕㄤˋ口ㄎㄡˇlǎnglǎng‑shàngkǒu

  1. 誦讀得十分熟練，可順口念出。例 「李白的〈靜夜思詩〉一般人都能朗朗上口」。

英to flow right off the tongue (of lyrics or poetry)​, to recite with ease, catchy (of a song)​