... みます => try doing ~ N4
Conjugate verbs
出す => to begin to; to start to; to burst into; ... out (e.g. to jump out, to carry out)​ N4
... はずみ.... => So N2
Result
~みこみちがい / みこみはずれ> => ~Contrary to expectations N1
Beyond expectations
てすみません => I'm sorry for... N4
は...です => to be N5
Describe
~みこみだ => ~Expected N1
Determined, determined
み => ~ness N3
~みこみがたつ => have a good prospect N1
Expected
~ないではすまない / ずにはすまない      => must; will definitely; can't help but to ~ N1
とみえて/とみえる => It seems that ~ N1
はどうですか => how about; how is N5