ho-hum
exclamation uk/ˌhəʊˈhʌm/ us/ˌhoʊˈhʌm/
（表示厌烦或接受不愉快的事实）哼
an expression used when someone is bored, or when they accept that something unpleasant cannot be stopped from happening
So I need to do it all again. Ho-hum. 这么说我得从头再来了。哼。
ho-hum
adjective uk/ˌhəʊˈhʌm/ us/ˌhoʊˈhʌm/
烦人的;平淡无奇的
boring or ordinary
Synonyms: boringdrab dreary dry (BORING) dull monotonoustediousuninterestingwearisome