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Check that joints are secure and the wood is sound.
Respect and friendship provide a solid foundation for marriage.

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Open the tool →牢固 (láo gù) means “Firm and durable”.
牢固 is pronounced láo gù in Mandarin Chinese.
“Firm and durable.” is 牢固 (láo gù) in Chinese.
This page has 2 example sentences using 牢固, each with pinyin and an English translation.
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