灯一拨就亮，理一讲就明燈一撥就亮，理一講就明燈一撥就亮，理一講就明

a lamp brightens once trimmed; a principle is clear once explained

Saying俗语俗語

Proverb谚语諺語 · Rarely used now

Meaning: Reason becomes clear once it is explained.

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Simplified: 灯一拨就亮，理一讲就明
Traditional (Taiwan): 燈一撥就亮，理一講就明
Pinyin: dēng yì bō jiù liàng, lǐ yì jiǎng jiù míng
Bopomofo: ㄉㄥㄧˋ ㄅㄛㄐㄧㄡˋ ㄌㄧㄤˋ，ㄌㄧˇ ㄧˋ ㄐㄧㄤˇ ㄐㄧㄡˋ ㄇㄧㄥˊ

Written with HSK 7-9 vocabulary, at CEFR level C1.

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