きつい の訳語→ arduous baleful bitter broad corrosive demanding explicit fierce good grave hard nasty painful palpable sharp sharply sharpness steep strong stubborn tightly tough
強烈な の訳語→ ardent eager extraordinary high high-voltage hot impossible large lashing passionate phenomenal power powerful staggering tremendous vivid
耐えがたい の訳語→ difficult disdain intolerable overpowering terrible unbearable