あやふやな (translations)→ flimsy fluffy tentatively uncertain
とりとめがない (translations)→ far-reaching uncontrolled
なにか (translations)→ anything bit casual embarrassment little slight some someone something what
ぶつぶつ言う (translations)→ complain grumble
めちゃくちゃに (translations)→ madly wild wildly
夢中で (translations)→ busy crazily desperately feverishly frantically