ふし の訳語→ burr clue indication look
音色 の訳語→ note sound stop tonality tone
緊張 の訳語→ alarm alertness attentiveness electric focus intension narrow nervousness pressure stress stressed-out tense tenseness tension
不安 の訳語→ afraid angst anguish anxiety apprehension apprehensive concern discomfort disquiet distress doubt fear fearful misgiving nerve perturbation restless scare terror uncertainty uncomfortable unease uneasiness uneasy unrest worry