相关单词近义词 lukewarm 微温的, unenthusiastic 不热心的, perfunctory 敷衍的, indifferent 漠不关心的, lackadaisical 无精打采的, reluctant 不情愿的, unwilling 不愿意的, feeble 虚弱的, weak 弱的, spiritless 无生气的, uninterested 不感兴趣的, tepid 微温的, halfhearted 半心半意的临近词half, half load相似词half-brother, half-caste, half-cock, half-cut, half-hourly, half-life, half-light, half-marathon, 返回 half-hearted