adv.不認真地；無興趣地

"Hey, guys," Jacob greeted them halfheartedly. “嘿，伙計們。”雅革隨性地和他們打了聲招呼。

He always do things halfheartedly. 他做事總是心不在焉。

Ron halfheartedly agreed.He was happy to help out his boss. 榮恩雖然答應，但態(tài)度并不是很認真。

"Then get out of the car and shoo it off the road," I suggested halfheartedly. “那我們下車然后把它趕下公路。”，我興趣不大地建議道。

He who treats dilemma indifferently and halfheartedly will never feel confused. 一旦將無奈變?yōu)闊o聊，也就不會再感到無奈了。