一心に の訳語→ absorbed busily eagerly fervently hard intently relentlessly so tensely
仔細に の訳語→ carefully circumspectly closely
耳を傾ける の訳語→ consult focus hearken listen react take
丹念に の訳語→ assiduously careful clever dutifully examination faithfully industriously methodically meticulously neatly patiently sedulously thoroughly
注意深く の訳語→ anxiously cautiously heedfully mindfully
熱心に の訳語→ actively alertly busy earnest lively seriously steadfast vigorously