…以外に
〈…を除いて〉 except (for); with the exception of; excluding; 【形式ばった表現】 excepting; but
〈…の外にも〉 besides; in addition to.
意外な
unexpected; unforeseen; 【形式ばった表現】 unlooked‐for
意外に(も)
against all [【形式ばった表現】 contrary to (all)] expectation(s)
意外に早く
earlier than expected [【形式ばった表現】 than was expected]
〈驚く〉 be surprised 《at》
〈落胆する〉 be disappointed 《at》
意外かもしれないが
contrary to what you might think
読み方 いがい
1
(=な) unexpected, unlooked-for, strange, surprising, astonishing, amazing (result); unexpected, unhoped-for (success); unexpected, disappointing (failure); unsuspected (corners):(=に) contrary to expectation, contrary to one's expectations; beyond expectation, beyond one's expectations; more than one expected [thought, hoped, feared]
2