Here in Canada, though, if I say, "Oh, I had an off day yesterday," it means that I wasn't feeling well or working to my best potential or working hard. There was something different about the day.
不過在加拿大,如果我說:「哦,我昨天今天心情不好」,這意思是我感覺不舒服,或沒有發揮最大的潛力,或是沒有努力工作。這一天有些不同。