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Open the tool →日月跳丸 (rì yuè tiào wán) is a Chinese idiom (chengyu) meaning “Time flies by swiftly”.
日月跳丸 is pronounced rì yuè tiào wán in Mandarin Chinese.
Literally, 日月跳丸 means “Sun and moon like bouncing pellets”. It is used to mean “Time flies by swiftly”.
跳丸:跳滚的弹丸。比喻时间过得很快