"The driving force behind her perseverance with study is an inferiority complex."
"An inferiority complex is the driving force behind her hard work."
- "The driving force behind her perseverance with study is an inferiority complex."
"the driving force" 「原動力」"the motivation" も言えます。
"behind her" 「最後にある」
"perseverance with study" 「勉強を頑張る」"hard work" も使えます。
"is an inferiority complex" 「劣等感だった」
- "An inferiority complex is the driving force behind her hard work."
「劣等感は彼女の勉強を頑張るの背後にある原動力だ」