~ものとおもう => Believe~ N1
Speculation
とは[裏腹「うらはら」] => Contrary to A, opposite of A, ... N1
Contrast/Surprise
~ひょうしに(~拍子に)   => the moment [A], unintentionally / inadvertently caused something to happen N1
~おりからの ... => when; at the time; on the occasion ~ N1
Time
…ものとおもっていた => Thought it was... N2
Vague
お => Prefix N5
Respectful, humble
...どおし => Throughout N3
Continuous
ひととおりの.... => in the same way as; in the way; as (like everyone else) N2
Standard
とおり => Several ways N4
Means and methods
おくに => Which country N5
Doubt
...もらおう => Please... N4
Benefit
なおす => to redo N3
Modify