While staying in Shanghai last year, there was a word/phrase/whatever that I probably heard dozens of times every day.
What appears to be "um" in English or "aehm" in German seems to be something like "ni ge" in Chinese? At least that's how this expletive sounded to me.
Alas, I couldn't find any information about this expletive anywhere. Is it even the correct pinyin? How would you write it in Hanzi? Is there a lesson about its "use"? Anything else?
Can anybody ease my curiosity here?
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