琅琅 [－－]

Jyutping long4 long4
Pinyin láng láng

Definitions (Wiktionary)
  1. adj, of sound
    clear and sonorous
    (syn.) 脆, 高昂, 清亮, 嘹亮, 響亮, 亮, 響, 亮堂, 朗朗, 洪亮, 高亢, 昂揚, 响亮, 豁亮, 宏亮, 昂扬, 响