Usages of всерьёз
То ли преподавательница пошутила, то ли всерьёз сказала, что мой почерк стал лучше.
Either the teacher was joking, or she seriously said that my handwriting had become better.
Я всерьёз думаю о переезде в другой город.
I am seriously thinking about moving to another city.
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