undreamed-of
adjective/ʌnˈdriːmd ɒv/
/ʌnˈdriːmd ʌv/
(also undreamt-of
/ʌnˈdremt ɒv/
/ʌnˈdremt ʌv/
especially in British English)- much more or much better than you thought was possible
意想不到的；做梦都没想到的 - undreamed-of success
意想不到的成功
- undreamed-of success