可能形 => Potential form N4
の下で/の下に => under; with ~ N2
甲斐がない/甲斐(も)なく => it's not worth one's efforts to do something N2
以下 => As follows, below N3
Standard
甲斐がある => It’s worth one’s efforts to do something N2
を契機に => as a good opportunity/chance to N2
Expected
を[機「き」]に => Use A as an opportunity N1
Time, Situation
のが下手 => to be bad at doing something N5
て[下「くだ」]さる => Do for someone N4
Give and take advice
[可能系「かのうけい」] => Can, be able to, be possible to N4
Can, Should, Must
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
[以下「いか」] => Less than A, under/below A (amount) N1
Degree/ Level/Amount