He reluctantly took the job because he desperately needed the money.

reluctantly 是副词，来自形容词 reluctant（不情愿的）。reluctant 由前缀 re-（表示"反对"）和词根 luct（源自拉丁语 luctari，意为"挣扎"）组成，字面意思是"内心挣扎反对的"。reluctantly 表示"不情愿地、勉强地"。