甲斐がない/甲斐(も)なく => it's not worth one's efforts to do something N2
甲斐がある => It’s worth one’s efforts to do something N2
[折「おり」]には => When A, at the time A N2
Time, Situation
折には => when the chance to 〜 comes N2
~の至り => extremely ~ N1
The highest (comparative) level
~なりに/~なりの      => suitable; in one's own way / style N1
の+ [至「いた」]り => Very A N1
Degree/ Level/Amount
あまりの~に => because the degree is too hight N2
Extreme level
なりに,なりの,それなり => In A's own way, in a(n) A way N1
Adjectival, Descriptions
~おりからの ... => when; at the time; on the occasion ~ N1
Time
ひとり ... のみならず => not only…, not just… N2
Add
より~の[方「ほう」]が~ => B is more C than A N4
Comparisons