良苦用心
良苦用心讀音
汉语拼音:liáng kǔ yòng xīn
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Style:MLAChicagoAPA
"良苦用心." Definitions.net. STANDS4 LLC, 2025. Web. 1 Feb. 2025. <https://chinese.definitions.net/def/ZH/%E8%89%AF%E8%8B%A6%E7%94%A8%E5%BF%83>.
汉语拼音:liáng kǔ yòng xīn
Style:MLAChicagoAPA
"良苦用心." Definitions.net. STANDS4 LLC, 2025. Web. 1 Feb. 2025. <https://chinese.definitions.net/def/ZH/%E8%89%AF%E8%8B%A6%E7%94%A8%E5%BF%83>.