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Open the tool →塞狗洞 (sāi gǒu dòng) is a Chinese idiom (chengyu) meaning “to waste money on useless or trivial things”.
塞狗洞 is pronounced sāi gǒu dòng in Mandarin Chinese.
Literally, 塞狗洞 means “Plug a dog hole”. It is used to mean “to waste money on useless or trivial things”.
把银钱花在无用的地方