idiom > praise by word of mouth
Contents
Spring mouth
  Explanation: Originally referred to the verbal comments such as spring it can grow things. Analogy to help people or help people after boasting to talk about things.
  Usage: Partial official; as object; analogy kind words man, as being to help
  Source: Qing Li, Green Park "Qiludeng" 96 back: "You recently with the Road _set_s a good phase, Wan Wang mouth equinox, I'll step to heaven, bad points of the comprador, had the occasion to."
  Examples: Chen Jian heard, as ~, say hype, almost Hentian pillar, Hendewuhuan, Fang He did make a living means. ★ Ching Huang with "Nianzai Prosperity" Nineteenth back
kǒu jué chūn fēng
  Quarrel between words can be like a spring breeze blowing in all things and help them to grow. Comparison restricted to the good word, good success
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No. 3
  Discourse, such as the spring breeze blowing things that can help the growth. Yu means the kind words man, contributed to such incident. "Qiludeng" IX 6 back: "You has a good phase and Tao Taiwan, pray mouth spring, I'll step to heaven, bad points of the comprador, on the off days of." Press, "after the Han Zheng Tai Chuan "There," Hush, dry winds of Health, "the language, or that the" mouth spring "means this here.
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No. 4
  Described as articulate. "Anecdotes from two decades dream of prosperity," the second time: "That used to be a matchmaker in a single table of Huanzuo Liu woman, and his mouth spring, is" Water Margin "that Mrs. Wang has more than he does on fear." "Anecdotes from two decades Prosperity in the "19th back:" Jiuyi Tai asked what he understands the physical, Chen Jian heard, as spring mouth, speak flowery, almost Hentian no column, Hendiwuhuan, side of his captivity means dry . "
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No. 5
  Mouth: lips. Originally referred to the verbal comments such as the spring it can grow things. After the comparison restricted to brag or talk about things on behalf of others.
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No. 6
  词目 口角春风
  发音 kǒu jiǎo chūn fēng
  解释 口角:嘴边。原指言语评论如春风之能生长万物。后比喻替人吹嘘或替人说好话。
  出处 《后汉书·郑太传》:“孔公诸清谈高论,口虚枯吹生。”
  示例:陈健听说,就如~,说得天花乱坠,差不多恨天无柱,恨地无环,方是他干营生的手段。 ★清·黄小配《廿载繁华梦》第十九回
  用法 作宾语;比喻为人美言,助成其事。
English Expression
  1. n.:  praise by word of mouth,  say a good word for another
  2. v.:   say good words about others