unrealistically
🇺🇸
/ˌʌnriːəˈlɪstɪkli/
🇬🇧
/ˌʌnrɪəˈlɪstɪkli/
in a way that is not based on reality or practicality
He set his goals unrealistically high, which led to disappointment.
他把目標定得不切實際地高,這導致了失望。