納得がいかない の訳語→ unconvinced unsatisfactory
不快 の訳語→ annoy aversive disappointment disapproval discomfort disfavor disgust distaste gray hurt indignation penance unpleasure
不満な の訳語→ disappoint unpleased
不愉快 の訳語→ annoyance bummer discontented
物足りない の訳語→ discontentedly lack lacking less missing